Home / 161,972.96-243,006.11-49,669.74

Finding the Fourth Proportional to 161,972.96, 243,006.11 and 49,669.74

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Solution

The fourth proportional to 161,972.96, 243,006.11 and 49,669.74 is: 74,518.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,972.96 : 243,006.11 = 49,669.74 : x
  2. Step 2: Convert to fraction form
    161,972.96/243,006.11 = 49,669.74/x
  3. Step 3: Cross multiply
    161,972.96x = 243,006.11 × 49,669.74
  4. Step 4: Simplify right side
    161,972.96x = 12,070,050,053.76
  5. Step 5: Solve for x
    x = 12,070,050,053.76/161,972.96
  6. Step 6: Final answer
    x = 74,518.92

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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.