Home / 256,101.66-353,421.60-141,378.24

Finding the Fourth Proportional to 256,101.66, 353,421.60 and 141,378.24

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Solution

The fourth proportional to 256,101.66, 353,421.60 and 141,378.24 is: 195,102.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,101.66 : 353,421.60 = 141,378.24 : x
  2. Step 2: Convert to fraction form
    256,101.66/353,421.60 = 141,378.24/x
  3. Step 3: Cross multiply
    256,101.66x = 353,421.60 × 141,378.24
  4. Step 4: Simplify right side
    256,101.66x = 49,966,123,785.98
  5. Step 5: Solve for x
    x = 49,966,123,785.98/256,101.66
  6. Step 6: Final answer
    x = 195,102.69

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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.