Home / 156,034.20-234,051.30-77,302.20

Finding the Fourth Proportional to 156,034.20, 234,051.30 and 77,302.20

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Solution

The fourth proportional to 156,034.20, 234,051.30 and 77,302.20 is: 115,953.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,034.20 : 234,051.30 = 77,302.20 : x
  2. Step 2: Convert to fraction form
    156,034.20/234,051.30 = 77,302.20/x
  3. Step 3: Cross multiply
    156,034.20x = 234,051.30 × 77,302.20
  4. Step 4: Simplify right side
    156,034.20x = 18,092,680,402.86
  5. Step 5: Solve for x
    x = 18,092,680,402.86/156,034.20
  6. Step 6: Final answer
    x = 115,953.30

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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.