Home / 220,753.02-304,645.68-156,337.50

Finding the Fourth Proportional to 220,753.02, 304,645.68 and 156,337.50

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Solution

The fourth proportional to 220,753.02, 304,645.68 and 156,337.50 is: 215,750.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,753.02 : 304,645.68 = 156,337.50 : x
  2. Step 2: Convert to fraction form
    220,753.02/304,645.68 = 156,337.50/x
  3. Step 3: Cross multiply
    220,753.02x = 304,645.68 × 156,337.50
  4. Step 4: Simplify right side
    220,753.02x = 47,627,543,997
  5. Step 5: Solve for x
    x = 47,627,543,997/220,753.02
  6. Step 6: Final answer
    x = 215,750.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.