Home / 141,506.43-195,283.93-81,088.74

Finding the Fourth Proportional to 141,506.43, 195,283.93 and 81,088.74

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Solution

The fourth proportional to 141,506.43, 195,283.93 and 81,088.74 is: 111,905.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,506.43 : 195,283.93 = 81,088.74 : x
  2. Step 2: Convert to fraction form
    141,506.43/195,283.93 = 81,088.74/x
  3. Step 3: Cross multiply
    141,506.43x = 195,283.93 × 81,088.74
  4. Step 4: Simplify right side
    141,506.43x = 15,835,327,825.95
  5. Step 5: Solve for x
    x = 15,835,327,825.95/141,506.43
  6. Step 6: Final answer
    x = 111,905.36

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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.