Home / 140,414.96-210,681.04-61,585.76

Finding the Fourth Proportional to 140,414.96, 210,681.04 and 61,585.76

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Solution

The fourth proportional to 140,414.96, 210,681.04 and 61,585.76 is: 92,404.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,414.96 : 210,681.04 = 61,585.76 : x
  2. Step 2: Convert to fraction form
    140,414.96/210,681.04 = 61,585.76/x
  3. Step 3: Cross multiply
    140,414.96x = 210,681.04 × 61,585.76
  4. Step 4: Simplify right side
    140,414.96x = 12,974,951,965.99
  5. Step 5: Solve for x
    x = 12,974,951,965.99/140,414.96
  6. Step 6: Final answer
    x = 92,404.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.