Home / 141,445.76-195,287.29-87,809.58

Finding the Fourth Proportional to 141,445.76, 195,287.29 and 87,809.58

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Solution

The fourth proportional to 141,445.76, 195,287.29 and 87,809.58 is: 121,234.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,445.76 : 195,287.29 = 87,809.58 : x
  2. Step 2: Convert to fraction form
    141,445.76/195,287.29 = 87,809.58/x
  3. Step 3: Cross multiply
    141,445.76x = 195,287.29 × 87,809.58
  4. Step 4: Simplify right side
    141,445.76x = 17,148,094,914.24
  5. Step 5: Solve for x
    x = 17,148,094,914.24/141,445.76
  6. Step 6: Final answer
    x = 121,234.42

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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.