Home / 140,182.59-193,444.65-76,508.04

Finding the Fourth Proportional to 140,182.59, 193,444.65 and 76,508.04

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Solution

The fourth proportional to 140,182.59, 193,444.65 and 76,508.04 is: 105,577.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,182.59 : 193,444.65 = 76,508.04 : x
  2. Step 2: Convert to fraction form
    140,182.59/193,444.65 = 76,508.04/x
  3. Step 3: Cross multiply
    140,182.59x = 193,444.65 × 76,508.04
  4. Step 4: Simplify right side
    140,182.59x = 14,800,071,019.99
  5. Step 5: Solve for x
    x = 14,800,071,019.99/140,182.59
  6. Step 6: Final answer
    x = 105,577.10

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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.