Home / 132,931.60-183,446.28-73,315.60

Finding the Fourth Proportional to 132,931.60, 183,446.28 and 73,315.60

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Solution

The fourth proportional to 132,931.60, 183,446.28 and 73,315.60 is: 101,175.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,931.60 : 183,446.28 = 73,315.60 : x
  2. Step 2: Convert to fraction form
    132,931.60/183,446.28 = 73,315.60/x
  3. Step 3: Cross multiply
    132,931.60x = 183,446.28 × 73,315.60
  4. Step 4: Simplify right side
    132,931.60x = 13,449,474,085.97
  5. Step 5: Solve for x
    x = 13,449,474,085.97/132,931.60
  6. Step 6: Final answer
    x = 101,175.90

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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.