Home / 132,772.20-183,223.32-72,343.35

Finding the Fourth Proportional to 132,772.20, 183,223.32 and 72,343.35

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Solution

The fourth proportional to 132,772.20, 183,223.32 and 72,343.35 is: 99,832.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,772.20 : 183,223.32 = 72,343.35 : x
  2. Step 2: Convert to fraction form
    132,772.20/183,223.32 = 72,343.35/x
  3. Step 3: Cross multiply
    132,772.20x = 183,223.32 × 72,343.35
  4. Step 4: Simplify right side
    132,772.20x = 13,254,988,766.92
  5. Step 5: Solve for x
    x = 13,254,988,766.92/132,772.20
  6. Step 6: Final answer
    x = 99,832.56

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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.