Home / 170,454.24-256,670.28-126,393.12

Finding the Fourth Proportional to 170,454.24, 256,670.28 and 126,393.12

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Solution

The fourth proportional to 170,454.24, 256,670.28 and 126,393.12 is: 190,322.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,454.24 : 256,670.28 = 126,393.12 : x
  2. Step 2: Convert to fraction form
    170,454.24/256,670.28 = 126,393.12/x
  3. Step 3: Cross multiply
    170,454.24x = 256,670.28 × 126,393.12
  4. Step 4: Simplify right side
    170,454.24x = 32,441,357,500.47
  5. Step 5: Solve for x
    x = 32,441,357,500.47/170,454.24
  6. Step 6: Final answer
    x = 190,322.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.