Home / 141,444.76-195,285.91-87,808.58

Finding the Fourth Proportional to 141,444.76, 195,285.91 and 87,808.58

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Solution

The fourth proportional to 141,444.76, 195,285.91 and 87,808.58 is: 121,233.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,444.76 : 195,285.91 = 87,808.58 : x
  2. Step 2: Convert to fraction form
    141,444.76/195,285.91 = 87,808.58/x
  3. Step 3: Cross multiply
    141,444.76x = 195,285.91 × 87,808.58
  4. Step 4: Simplify right side
    141,444.76x = 17,147,778,451.11
  5. Step 5: Solve for x
    x = 17,147,778,451.11/141,444.76
  6. Step 6: Final answer
    x = 121,233.05

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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.