Home / 132,792.57-183,251.36-72,363.71

Finding the Fourth Proportional to 132,792.57, 183,251.36 and 72,363.71

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Solution

The fourth proportional to 132,792.57, 183,251.36 and 72,363.71 is: 99,860.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,792.57 : 183,251.36 = 72,363.71 : x
  2. Step 2: Convert to fraction form
    132,792.57/183,251.36 = 72,363.71/x
  3. Step 3: Cross multiply
    132,792.57x = 183,251.36 × 72,363.71
  4. Step 4: Simplify right side
    132,792.57x = 13,260,748,911.18
  5. Step 5: Solve for x
    x = 13,260,748,911.18/132,792.57
  6. Step 6: Final answer
    x = 99,860.62

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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.