Home / 107,149.26-147,856.02-59,398.56

Finding the Fourth Proportional to 107,149.26, 147,856.02 and 59,398.56

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Solution

The fourth proportional to 107,149.26, 147,856.02 and 59,398.56 is: 81,964.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,149.26 : 147,856.02 = 59,398.56 : x
  2. Step 2: Convert to fraction form
    107,149.26/147,856.02 = 59,398.56/x
  3. Step 3: Cross multiply
    107,149.26x = 147,856.02 × 59,398.56
  4. Step 4: Simplify right side
    107,149.26x = 8,782,434,675.33
  5. Step 5: Solve for x
    x = 8,782,434,675.33/107,149.26
  6. Step 6: Final answer
    x = 81,964.49

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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.