Home / 151,036.24-208,378.10-93,654.90

Finding the Fourth Proportional to 151,036.24, 208,378.10 and 93,654.90

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Solution

The fourth proportional to 151,036.24, 208,378.10 and 93,654.90 is: 129,211.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,036.24 : 208,378.10 = 93,654.90 : x
  2. Step 2: Convert to fraction form
    151,036.24/208,378.10 = 93,654.90/x
  3. Step 3: Cross multiply
    151,036.24x = 208,378.10 × 93,654.90
  4. Step 4: Simplify right side
    151,036.24x = 19,515,630,117.69
  5. Step 5: Solve for x
    x = 19,515,630,117.69/151,036.24
  6. Step 6: Final answer
    x = 129,211.57

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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.