Home / 106,976.80-147,632.60-59,230.15

Finding the Fourth Proportional to 106,976.80, 147,632.60 and 59,230.15

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Solution

The fourth proportional to 106,976.80, 147,632.60 and 59,230.15 is: 81,740.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,976.80 : 147,632.60 = 59,230.15 : x
  2. Step 2: Convert to fraction form
    106,976.80/147,632.60 = 59,230.15/x
  3. Step 3: Cross multiply
    106,976.80x = 147,632.60 × 59,230.15
  4. Step 4: Simplify right side
    106,976.80x = 8,744,301,042.89
  5. Step 5: Solve for x
    x = 8,744,301,042.89/106,976.80
  6. Step 6: Final answer
    x = 81,740.16

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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.