Home / 141,516.16-195,211.20-88,432

Finding the Fourth Proportional to 141,516.16, 195,211.20 and 88,432

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Solution

The fourth proportional to 141,516.16, 195,211.20 and 88,432 is: 121,985.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,516.16 : 195,211.20 = 88,432 : x
  2. Step 2: Convert to fraction form
    141,516.16/195,211.20 = 88,432/x
  3. Step 3: Cross multiply
    141,516.16x = 195,211.20 × 88,432
  4. Step 4: Simplify right side
    141,516.16x = 17,262,916,838.40
  5. Step 5: Solve for x
    x = 17,262,916,838.40/141,516.16
  6. Step 6: Final answer
    x = 121,985.48

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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.