Home / 247,946.17-342,152.59-140,517.49

Finding the Fourth Proportional to 247,946.17, 342,152.59 and 140,517.49

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Solution

The fourth proportional to 247,946.17, 342,152.59 and 140,517.49 is: 193,906.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,946.17 : 342,152.59 = 140,517.49 : x
  2. Step 2: Convert to fraction form
    247,946.17/342,152.59 = 140,517.49/x
  3. Step 3: Cross multiply
    247,946.17x = 342,152.59 × 140,517.49
  4. Step 4: Simplify right side
    247,946.17x = 48,078,423,143.80
  5. Step 5: Solve for x
    x = 48,078,423,143.80/247,946.17
  6. Step 6: Final answer
    x = 193,906.70

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1.5x scale

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.