Home / 102,184.28-140,934.44-66,385.84

Finding the Fourth Proportional to 102,184.28, 140,934.44 and 66,385.84

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Solution

The fourth proportional to 102,184.28, 140,934.44 and 66,385.84 is: 91,560.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,184.28 : 140,934.44 = 66,385.84 : x
  2. Step 2: Convert to fraction form
    102,184.28/140,934.44 = 66,385.84/x
  3. Step 3: Cross multiply
    102,184.28x = 140,934.44 × 66,385.84
  4. Step 4: Simplify right side
    102,184.28x = 9,356,051,184.33
  5. Step 5: Solve for x
    x = 9,356,051,184.33/102,184.28
  6. Step 6: Final answer
    x = 91,560.57

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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.