Home / 156,774.56-235,166.31-38,445.80

Finding the Fourth Proportional to 156,774.56, 235,166.31 and 38,445.80

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Solution

The fourth proportional to 156,774.56, 235,166.31 and 38,445.80 is: 57,669.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,774.56 : 235,166.31 = 38,445.80 : x
  2. Step 2: Convert to fraction form
    156,774.56/235,166.31 = 38,445.80/x
  3. Step 3: Cross multiply
    156,774.56x = 235,166.31 × 38,445.80
  4. Step 4: Simplify right side
    156,774.56x = 9,041,156,921.00
  5. Step 5: Solve for x
    x = 9,041,156,921.00/156,774.56
  6. Step 6: Final answer
    x = 57,669.80

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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.