Home / 130,350,103.60-195,525,155.40-128,334,564.40

Finding the Fourth Proportional to 130,350,103.60, 195,525,155.40 and 128,334,564.40

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Solution

The fourth proportional to 130,350,103.60, 195,525,155.40 and 128,334,564.40 is: 192,501,846.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,350,103.60 : 195,525,155.40 = 128,334,564.40 : x
  2. Step 2: Convert to fraction form
    130,350,103.60/195,525,155.40 = 128,334,564.40/x
  3. Step 3: Cross multiply
    130,350,103.60x = 195,525,155.40 × 128,334,564.40
  4. Step 4: Simplify right side
    130,350,103.60x = 25,092,635,647,501,308
  5. Step 5: Solve for x
    x = 25,092,635,647,501,308/130,350,103.60
  6. Step 6: Final answer
    x = 192,501,846.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.