Home / 312,411.24-468,520.80-112,706.52

Finding the Fourth Proportional to 312,411.24, 468,520.80 and 112,706.52

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Solution

The fourth proportional to 312,411.24, 468,520.80 and 112,706.52 is: 169,025.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,411.24 : 468,520.80 = 112,706.52 : x
  2. Step 2: Convert to fraction form
    312,411.24/468,520.80 = 112,706.52/x
  3. Step 3: Cross multiply
    312,411.24x = 468,520.80 × 112,706.52
  4. Step 4: Simplify right side
    312,411.24x = 52,805,348,915.62
  5. Step 5: Solve for x
    x = 52,805,348,915.62/312,411.24
  6. Step 6: Final answer
    x = 169,025.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.