Home / 132,772.55-183,223.81-72,343.69

Finding the Fourth Proportional to 132,772.55, 183,223.81 and 72,343.69

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Solution

The fourth proportional to 132,772.55, 183,223.81 and 72,343.69 is: 99,833.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,772.55 : 183,223.81 = 72,343.69 : x
  2. Step 2: Convert to fraction form
    132,772.55/183,223.81 = 72,343.69/x
  3. Step 3: Cross multiply
    132,772.55x = 183,223.81 × 72,343.69
  4. Step 4: Simplify right side
    132,772.55x = 13,255,087,002.49
  5. Step 5: Solve for x
    x = 13,255,087,002.49/132,772.55
  6. Step 6: Final answer
    x = 99,833.04

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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.