Home / 132,552.45-182,923.14-72,123.51

Finding the Fourth Proportional to 132,552.45, 182,923.14 and 72,123.51

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Solution

The fourth proportional to 132,552.45, 182,923.14 and 72,123.51 is: 99,530.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,552.45 : 182,923.14 = 72,123.51 : x
  2. Step 2: Convert to fraction form
    132,552.45/182,923.14 = 72,123.51/x
  3. Step 3: Cross multiply
    132,552.45x = 182,923.14 × 72,123.51
  4. Step 4: Simplify right side
    132,552.45x = 13,193,058,917.02
  5. Step 5: Solve for x
    x = 13,193,058,917.02/132,552.45
  6. Step 6: Final answer
    x = 99,530.86

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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.