Home / 157,142-235,720.32-44,829.92

Finding the Fourth Proportional to 157,142, 235,720.32 and 44,829.92

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Solution

The fourth proportional to 157,142, 235,720.32 and 44,829.92 is: 67,246.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,142 : 235,720.32 = 44,829.92 : x
  2. Step 2: Convert to fraction form
    157,142/235,720.32 = 44,829.92/x
  3. Step 3: Cross multiply
    157,142x = 235,720.32 × 44,829.92
  4. Step 4: Simplify right side
    157,142x = 10,567,323,087.97
  5. Step 5: Solve for x
    x = 10,567,323,087.97/157,142
  6. Step 6: Final answer
    x = 67,246.97

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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.