Home / 106,865.68-147,478.98-59,118.22

Finding the Fourth Proportional to 106,865.68, 147,478.98 and 59,118.22

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Solution

The fourth proportional to 106,865.68, 147,478.98 and 59,118.22 is: 81,585.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,865.68 : 147,478.98 = 59,118.22 : x
  2. Step 2: Convert to fraction form
    106,865.68/147,478.98 = 59,118.22/x
  3. Step 3: Cross multiply
    106,865.68x = 147,478.98 × 59,118.22
  4. Step 4: Simplify right side
    106,865.68x = 8,718,694,785.02
  5. Step 5: Solve for x
    x = 8,718,694,785.02/106,865.68
  6. Step 6: Final answer
    x = 81,585.55

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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.