Home / 141,905.92-195,812.16-88,199.68

Finding the Fourth Proportional to 141,905.92, 195,812.16 and 88,199.68

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Solution

The fourth proportional to 141,905.92, 195,812.16 and 88,199.68 is: 121,704.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,905.92 : 195,812.16 = 88,199.68 : x
  2. Step 2: Convert to fraction form
    141,905.92/195,812.16 = 88,199.68/x
  3. Step 3: Cross multiply
    141,905.92x = 195,812.16 × 88,199.68
  4. Step 4: Simplify right side
    141,905.92x = 17,270,569,852.11
  5. Step 5: Solve for x
    x = 17,270,569,852.11/141,905.92
  6. Step 6: Final answer
    x = 121,704.36

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1.5x scale

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.