Home / 156,066.20-233,753.70-128,418.20

Finding the Fourth Proportional to 156,066.20, 233,753.70 and 128,418.20

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Solution

The fourth proportional to 156,066.20, 233,753.70 and 128,418.20 is: 192,342.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,066.20 : 233,753.70 = 128,418.20 : x
  2. Step 2: Convert to fraction form
    156,066.20/233,753.70 = 128,418.20/x
  3. Step 3: Cross multiply
    156,066.20x = 233,753.70 × 128,418.20
  4. Step 4: Simplify right side
    156,066.20x = 30,018,229,397.34
  5. Step 5: Solve for x
    x = 30,018,229,397.34/156,066.20
  6. Step 6: Final answer
    x = 192,342.92

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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.