Home / 148,376.52-204,727.23-87,916.95

Finding the Fourth Proportional to 148,376.52, 204,727.23 and 87,916.95

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Solution

The fourth proportional to 148,376.52, 204,727.23 and 87,916.95 is: 121,306.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,376.52 : 204,727.23 = 87,916.95 : x
  2. Step 2: Convert to fraction form
    148,376.52/204,727.23 = 87,916.95/x
  3. Step 3: Cross multiply
    148,376.52x = 204,727.23 × 87,916.95
  4. Step 4: Simplify right side
    148,376.52x = 17,998,993,643.55
  5. Step 5: Solve for x
    x = 17,998,993,643.55/148,376.52
  6. Step 6: Final answer
    x = 121,306.21

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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.