Home / 136,508.86-188,397.48-76,085.02

Finding the Fourth Proportional to 136,508.86, 188,397.48 and 76,085.02

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Solution

The fourth proportional to 136,508.86, 188,397.48 and 76,085.02 is: 105,005.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,508.86 : 188,397.48 = 76,085.02 : x
  2. Step 2: Convert to fraction form
    136,508.86/188,397.48 = 76,085.02/x
  3. Step 3: Cross multiply
    136,508.86x = 188,397.48 × 76,085.02
  4. Step 4: Simplify right side
    136,508.86x = 14,334,226,033.75
  5. Step 5: Solve for x
    x = 14,334,226,033.75/136,508.86
  6. Step 6: Final answer
    x = 105,005.83

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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.