Home / 256,542.01-354,030.21-141,818.83

Finding the Fourth Proportional to 256,542.01, 354,030.21 and 141,818.83

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Solution

The fourth proportional to 256,542.01, 354,030.21 and 141,818.83 is: 195,711.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,542.01 : 354,030.21 = 141,818.83 : x
  2. Step 2: Convert to fraction form
    256,542.01/354,030.21 = 141,818.83/x
  3. Step 3: Cross multiply
    256,542.01x = 354,030.21 × 141,818.83
  4. Step 4: Simplify right side
    256,542.01x = 50,208,149,281.78
  5. Step 5: Solve for x
    x = 50,208,149,281.78/256,542.01
  6. Step 6: Final answer
    x = 195,711.22

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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.