Home / 156,741.90-235,129.29-51,569.10

Finding the Fourth Proportional to 156,741.90, 235,129.29 and 51,569.10

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Solution

The fourth proportional to 156,741.90, 235,129.29 and 51,569.10 is: 77,359.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,741.90 : 235,129.29 = 51,569.10 : x
  2. Step 2: Convert to fraction form
    156,741.90/235,129.29 = 51,569.10/x
  3. Step 3: Cross multiply
    156,741.90x = 235,129.29 × 51,569.10
  4. Step 4: Simplify right side
    156,741.90x = 12,125,405,868.94
  5. Step 5: Solve for x
    x = 12,125,405,868.94/156,741.90
  6. Step 6: Final answer
    x = 77,359.06

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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.