Home / 193,522.20-290,261.52-67,139.16

Finding the Fourth Proportional to 193,522.20, 290,261.52 and 67,139.16

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Solution

The fourth proportional to 193,522.20, 290,261.52 and 67,139.16 is: 100,701.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,522.20 : 290,261.52 = 67,139.16 : x
  2. Step 2: Convert to fraction form
    193,522.20/290,261.52 = 67,139.16/x
  3. Step 3: Cross multiply
    193,522.20x = 290,261.52 × 67,139.16
  4. Step 4: Simplify right side
    193,522.20x = 19,487,914,633.12
  5. Step 5: Solve for x
    x = 19,487,914,633.12/193,522.20
  6. Step 6: Final answer
    x = 100,701.18

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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.