Home / 232,916.76-321,436.68-142,258.05

Finding the Fourth Proportional to 232,916.76, 321,436.68 and 142,258.05

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Solution

The fourth proportional to 232,916.76, 321,436.68 and 142,258.05 is: 196,323.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,916.76 : 321,436.68 = 142,258.05 : x
  2. Step 2: Convert to fraction form
    232,916.76/321,436.68 = 142,258.05/x
  3. Step 3: Cross multiply
    232,916.76x = 321,436.68 × 142,258.05
  4. Step 4: Simplify right side
    232,916.76x = 45,726,955,295.27
  5. Step 5: Solve for x
    x = 45,726,955,295.27/232,916.76
  6. Step 6: Final answer
    x = 196,323.16

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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.