Home / 130,250.16-179,754.89-72,895.23

Finding the Fourth Proportional to 130,250.16, 179,754.89 and 72,895.23

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Solution

The fourth proportional to 130,250.16, 179,754.89 and 72,895.23 is: 100,600.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,250.16 : 179,754.89 = 72,895.23 : x
  2. Step 2: Convert to fraction form
    130,250.16/179,754.89 = 72,895.23/x
  3. Step 3: Cross multiply
    130,250.16x = 179,754.89 × 72,895.23
  4. Step 4: Simplify right side
    130,250.16x = 13,103,273,685.70
  5. Step 5: Solve for x
    x = 13,103,273,685.70/130,250.16
  6. Step 6: Final answer
    x = 100,600.83

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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.