Home / 107,226.39-147,875.55-66,943.86

Finding the Fourth Proportional to 107,226.39, 147,875.55 and 66,943.86

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Solution

The fourth proportional to 107,226.39, 147,875.55 and 66,943.86 is: 92,322.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,226.39 : 147,875.55 = 66,943.86 : x
  2. Step 2: Convert to fraction form
    107,226.39/147,875.55 = 66,943.86/x
  3. Step 3: Cross multiply
    107,226.39x = 147,875.55 × 66,943.86
  4. Step 4: Simplify right side
    107,226.39x = 9,899,360,116.62
  5. Step 5: Solve for x
    x = 9,899,360,116.62/107,226.39
  6. Step 6: Final answer
    x = 92,322.05

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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.