Home / 113,207.69-156,228.05-62,225.98

Finding the Fourth Proportional to 113,207.69, 156,228.05 and 62,225.98

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Solution

The fourth proportional to 113,207.69, 156,228.05 and 62,225.98 is: 85,872.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,207.69 : 156,228.05 = 62,225.98 : x
  2. Step 2: Convert to fraction form
    113,207.69/156,228.05 = 62,225.98/x
  3. Step 3: Cross multiply
    113,207.69x = 156,228.05 × 62,225.98
  4. Step 4: Simplify right side
    113,207.69x = 9,721,443,514.74
  5. Step 5: Solve for x
    x = 9,721,443,514.74/113,207.69
  6. Step 6: Final answer
    x = 85,872.64

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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.