Home / 256,815.02-354,187.27-154,818.13

Finding the Fourth Proportional to 256,815.02, 354,187.27 and 154,818.13

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Solution

The fourth proportional to 256,815.02, 354,187.27 and 154,818.13 is: 213,517.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,815.02 : 354,187.27 = 154,818.13 : x
  2. Step 2: Convert to fraction form
    256,815.02/354,187.27 = 154,818.13/x
  3. Step 3: Cross multiply
    256,815.02x = 354,187.27 × 154,818.13
  4. Step 4: Simplify right side
    256,815.02x = 54,834,610,316.61
  5. Step 5: Solve for x
    x = 54,834,610,316.61/256,815.02
  6. Step 6: Final answer
    x = 213,517.92

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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.