Home / 132,972.57-183,502.14-76,383.93

Finding the Fourth Proportional to 132,972.57, 183,502.14 and 76,383.93

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Solution

The fourth proportional to 132,972.57, 183,502.14 and 76,383.93 is: 105,409.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,972.57 : 183,502.14 = 76,383.93 : x
  2. Step 2: Convert to fraction form
    132,972.57/183,502.14 = 76,383.93/x
  3. Step 3: Cross multiply
    132,972.57x = 183,502.14 × 76,383.93
  4. Step 4: Simplify right side
    132,972.57x = 14,016,614,616.61
  5. Step 5: Solve for x
    x = 14,016,614,616.61/132,972.57
  6. Step 6: Final answer
    x = 105,409.82

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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.