Home / 141,521.16-195,218.10-88,437

Finding the Fourth Proportional to 141,521.16, 195,218.10 and 88,437

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Solution

The fourth proportional to 141,521.16, 195,218.10 and 88,437 is: 121,992.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,521.16 : 195,218.10 = 88,437 : x
  2. Step 2: Convert to fraction form
    141,521.16/195,218.10 = 88,437/x
  3. Step 3: Cross multiply
    141,521.16x = 195,218.10 × 88,437
  4. Step 4: Simplify right side
    141,521.16x = 17,264,503,109.70
  5. Step 5: Solve for x
    x = 17,264,503,109.70/141,521.16
  6. Step 6: Final answer
    x = 121,992.38

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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.