Home / 195,021.40-292,532.10-155,655.40

Finding the Fourth Proportional to 195,021.40, 292,532.10 and 155,655.40

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Solution

The fourth proportional to 195,021.40, 292,532.10 and 155,655.40 is: 233,483.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,021.40 : 292,532.10 = 155,655.40 : x
  2. Step 2: Convert to fraction form
    195,021.40/292,532.10 = 155,655.40/x
  3. Step 3: Cross multiply
    195,021.40x = 292,532.10 × 155,655.40
  4. Step 4: Simplify right side
    195,021.40x = 45,534,201,038.34
  5. Step 5: Solve for x
    x = 45,534,201,038.34/195,021.40
  6. Step 6: Final answer
    x = 233,483.10

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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.