Home / 132,643.04-198,839.50-66,020.18

Finding the Fourth Proportional to 132,643.04, 198,839.50 and 66,020.18

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Solution

The fourth proportional to 132,643.04, 198,839.50 and 66,020.18 is: 98,968.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,643.04 : 198,839.50 = 66,020.18 : x
  2. Step 2: Convert to fraction form
    132,643.04/198,839.50 = 66,020.18/x
  3. Step 3: Cross multiply
    132,643.04x = 198,839.50 × 66,020.18
  4. Step 4: Simplify right side
    132,643.04x = 13,127,419,581.11
  5. Step 5: Solve for x
    x = 13,127,419,581.11/132,643.04
  6. Step 6: Final answer
    x = 98,968.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.