Home / 369,035.60-553,553.40-132,402.20

Finding the Fourth Proportional to 369,035.60, 553,553.40 and 132,402.20

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Solution

The fourth proportional to 369,035.60, 553,553.40 and 132,402.20 is: 198,603.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,035.60 : 553,553.40 = 132,402.20 : x
  2. Step 2: Convert to fraction form
    369,035.60/553,553.40 = 132,402.20/x
  3. Step 3: Cross multiply
    369,035.60x = 553,553.40 × 132,402.20
  4. Step 4: Simplify right side
    369,035.60x = 73,291,687,977.48
  5. Step 5: Solve for x
    x = 73,291,687,977.48/369,035.60
  6. Step 6: Final answer
    x = 198,603.30

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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.