Home / 109,632.60-164,448.90-83,060.55

Finding the Fourth Proportional to 109,632.60, 164,448.90 and 83,060.55

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Solution

The fourth proportional to 109,632.60, 164,448.90 and 83,060.55 is: 124,590.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,632.60 : 164,448.90 = 83,060.55 : x
  2. Step 2: Convert to fraction form
    109,632.60/164,448.90 = 83,060.55/x
  3. Step 3: Cross multiply
    109,632.60x = 164,448.90 × 83,060.55
  4. Step 4: Simplify right side
    109,632.60x = 13,659,216,080.90
  5. Step 5: Solve for x
    x = 13,659,216,080.90/109,632.60
  6. Step 6: Final answer
    x = 124,590.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.