Home / 130,363.20-195,933.60-128,030.40

Finding the Fourth Proportional to 130,363.20, 195,933.60 and 128,030.40

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Solution

The fourth proportional to 130,363.20, 195,933.60 and 128,030.40 is: 192,427.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,363.20 : 195,933.60 = 128,030.40 : x
  2. Step 2: Convert to fraction form
    130,363.20/195,933.60 = 128,030.40/x
  3. Step 3: Cross multiply
    130,363.20x = 195,933.60 × 128,030.40
  4. Step 4: Simplify right side
    130,363.20x = 25,085,457,181.44
  5. Step 5: Solve for x
    x = 25,085,457,181.44/130,363.20
  6. Step 6: Final answer
    x = 192,427.44

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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.