Home / 126,259.68-174,231-69,670.92

Finding the Fourth Proportional to 126,259.68, 174,231 and 69,670.92

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Solution

The fourth proportional to 126,259.68, 174,231 and 69,670.92 is: 96,141.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,259.68 : 174,231 = 69,670.92 : x
  2. Step 2: Convert to fraction form
    126,259.68/174,231 = 69,670.92/x
  3. Step 3: Cross multiply
    126,259.68x = 174,231 × 69,670.92
  4. Step 4: Simplify right side
    126,259.68x = 12,138,834,062.52
  5. Step 5: Solve for x
    x = 12,138,834,062.52/126,259.68
  6. Step 6: Final answer
    x = 96,141.81

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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.