Home / 161,711.52-223,162.08-93,741.60

Finding the Fourth Proportional to 161,711.52, 223,162.08 and 93,741.60

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Solution

The fourth proportional to 161,711.52, 223,162.08 and 93,741.60 is: 129,363.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,711.52 : 223,162.08 = 93,741.60 : x
  2. Step 2: Convert to fraction form
    161,711.52/223,162.08 = 93,741.60/x
  3. Step 3: Cross multiply
    161,711.52x = 223,162.08 × 93,741.60
  4. Step 4: Simplify right side
    161,711.52x = 20,919,570,438.53
  5. Step 5: Solve for x
    x = 20,919,570,438.53/161,711.52
  6. Step 6: Final answer
    x = 129,363.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.