Home / 132,710.43-183,144.60-72,282.90

Finding the Fourth Proportional to 132,710.43, 183,144.60 and 72,282.90

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Solution

The fourth proportional to 132,710.43, 183,144.60 and 72,282.90 is: 99,752.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,710.43 : 183,144.60 = 72,282.90 : x
  2. Step 2: Convert to fraction form
    132,710.43/183,144.60 = 72,282.90/x
  3. Step 3: Cross multiply
    132,710.43x = 183,144.60 × 72,282.90
  4. Step 4: Simplify right side
    132,710.43x = 13,238,222,807.34
  5. Step 5: Solve for x
    x = 13,238,222,807.34/132,710.43
  6. Step 6: Final answer
    x = 99,752.69

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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.