Home / 131,890.73-182,008.94-71,462.93

Finding the Fourth Proportional to 131,890.73, 182,008.94 and 71,462.93

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Solution

The fourth proportional to 131,890.73, 182,008.94 and 71,462.93 is: 98,618.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,890.73 : 182,008.94 = 71,462.93 : x
  2. Step 2: Convert to fraction form
    131,890.73/182,008.94 = 71,462.93/x
  3. Step 3: Cross multiply
    131,890.73x = 182,008.94 × 71,462.93
  4. Step 4: Simplify right side
    131,890.73x = 13,006,890,871.23
  5. Step 5: Solve for x
    x = 13,006,890,871.23/131,890.73
  6. Step 6: Final answer
    x = 98,618.69

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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.