Home / 107,210.13-147,853.13-66,927.61

Finding the Fourth Proportional to 107,210.13, 147,853.13 and 66,927.61

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Solution

The fourth proportional to 107,210.13, 147,853.13 and 66,927.61 is: 92,299.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,210.13 : 147,853.13 = 66,927.61 : x
  2. Step 2: Convert to fraction form
    107,210.13/147,853.13 = 66,927.61/x
  3. Step 3: Cross multiply
    107,210.13x = 147,853.13 × 66,927.61
  4. Step 4: Simplify right side
    107,210.13x = 9,895,456,621.92
  5. Step 5: Solve for x
    x = 9,895,456,621.92/107,210.13
  6. Step 6: Final answer
    x = 92,299.64

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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.