Home / 113,486.50-156,612.45-63,186.58

Finding the Fourth Proportional to 113,486.50, 156,612.45 and 63,186.58

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Solution

The fourth proportional to 113,486.50, 156,612.45 and 63,186.58 is: 87,198.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,486.50 : 156,612.45 = 63,186.58 : x
  2. Step 2: Convert to fraction form
    113,486.50/156,612.45 = 63,186.58/x
  3. Step 3: Cross multiply
    113,486.50x = 156,612.45 × 63,186.58
  4. Step 4: Simplify right side
    113,486.50x = 9,895,805,100.92
  5. Step 5: Solve for x
    x = 9,895,805,100.92/113,486.50
  6. Step 6: Final answer
    x = 87,198.08

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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.