Home / 132,744.60-183,188.80-75,385.11

Finding the Fourth Proportional to 132,744.60, 183,188.80 and 75,385.11

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Solution

The fourth proportional to 132,744.60, 183,188.80 and 75,385.11 is: 104,032.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,744.60 : 183,188.80 = 75,385.11 : x
  2. Step 2: Convert to fraction form
    132,744.60/183,188.80 = 75,385.11/x
  3. Step 3: Cross multiply
    132,744.60x = 183,188.80 × 75,385.11
  4. Step 4: Simplify right side
    132,744.60x = 13,809,707,838.77
  5. Step 5: Solve for x
    x = 13,809,707,838.77/132,744.60
  6. Step 6: Final answer
    x = 104,032.16

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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.