Home / 119,754.32-165,253.40-68,731.13

Finding the Fourth Proportional to 119,754.32, 165,253.40 and 68,731.13

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Solution

The fourth proportional to 119,754.32, 165,253.40 and 68,731.13 is: 94,844.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,754.32 : 165,253.40 = 68,731.13 : x
  2. Step 2: Convert to fraction form
    119,754.32/165,253.40 = 68,731.13/x
  3. Step 3: Cross multiply
    119,754.32x = 165,253.40 × 68,731.13
  4. Step 4: Simplify right side
    119,754.32x = 11,358,051,748.42
  5. Step 5: Solve for x
    x = 11,358,051,748.42/119,754.32
  6. Step 6: Final answer
    x = 94,844.61

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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.