Home / 195,782.25-293,638.14-89,140.80

Finding the Fourth Proportional to 195,782.25, 293,638.14 and 89,140.80

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Solution

The fourth proportional to 195,782.25, 293,638.14 and 89,140.80 is: 133,695.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,782.25 : 293,638.14 = 89,140.80 : x
  2. Step 2: Convert to fraction form
    195,782.25/293,638.14 = 89,140.80/x
  3. Step 3: Cross multiply
    195,782.25x = 293,638.14 × 89,140.80
  4. Step 4: Simplify right side
    195,782.25x = 26,175,138,710.11
  5. Step 5: Solve for x
    x = 26,175,138,710.11/195,782.25
  6. Step 6: Final answer
    x = 133,695.16

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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.