Home / 256,587.26-354,079.26-140,298.58

Finding the Fourth Proportional to 256,587.26, 354,079.26 and 140,298.58

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Solution

The fourth proportional to 256,587.26, 354,079.26 and 140,298.58 is: 193,605.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,587.26 : 354,079.26 = 140,298.58 : x
  2. Step 2: Convert to fraction form
    256,587.26/354,079.26 = 140,298.58/x
  3. Step 3: Cross multiply
    256,587.26x = 354,079.26 × 140,298.58
  4. Step 4: Simplify right side
    256,587.26x = 49,676,817,385.45
  5. Step 5: Solve for x
    x = 49,676,817,385.45/256,587.26
  6. Step 6: Final answer
    x = 193,605.94

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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.