Home / 156,712.90-235,107.15-51,526.30

Finding the Fourth Proportional to 156,712.90, 235,107.15 and 51,526.30

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Solution

The fourth proportional to 156,712.90, 235,107.15 and 51,526.30 is: 77,301.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,712.90 : 235,107.15 = 51,526.30 : x
  2. Step 2: Convert to fraction form
    156,712.90/235,107.15 = 51,526.30/x
  3. Step 3: Cross multiply
    156,712.90x = 235,107.15 × 51,526.30
  4. Step 4: Simplify right side
    156,712.90x = 12,114,201,543.05
  5. Step 5: Solve for x
    x = 12,114,201,543.05/156,712.90
  6. Step 6: Final answer
    x = 77,301.88

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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.