Home / 238,638.60-329,322.57-140,526.12

Finding the Fourth Proportional to 238,638.60, 329,322.57 and 140,526.12

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Solution

The fourth proportional to 238,638.60, 329,322.57 and 140,526.12 is: 193,926.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,638.60 : 329,322.57 = 140,526.12 : x
  2. Step 2: Convert to fraction form
    238,638.60/329,322.57 = 140,526.12/x
  3. Step 3: Cross multiply
    238,638.60x = 329,322.57 × 140,526.12
  4. Step 4: Simplify right side
    238,638.60x = 46,278,422,990.53
  5. Step 5: Solve for x
    x = 46,278,422,990.53/238,638.60
  6. Step 6: Final answer
    x = 193,926.81

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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.