Home / 107,210.25-147,853.31-66,927.74

Finding the Fourth Proportional to 107,210.25, 147,853.31 and 66,927.74

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Solution

The fourth proportional to 107,210.25, 147,853.31 and 66,927.74 is: 92,299.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,210.25 : 147,853.31 = 66,927.74 : x
  2. Step 2: Convert to fraction form
    107,210.25/147,853.31 = 66,927.74/x
  3. Step 3: Cross multiply
    107,210.25x = 147,853.31 × 66,927.74
  4. Step 4: Simplify right side
    107,210.25x = 9,895,486,815.91
  5. Step 5: Solve for x
    x = 9,895,486,815.91/107,210.25
  6. Step 6: Final answer
    x = 92,299.82

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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.