Home / 144,176.31-198,955.08-86,098.59

Finding the Fourth Proportional to 144,176.31, 198,955.08 and 86,098.59

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Solution

The fourth proportional to 144,176.31, 198,955.08 and 86,098.59 is: 118,811.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,176.31 : 198,955.08 = 86,098.59 : x
  2. Step 2: Convert to fraction form
    144,176.31/198,955.08 = 86,098.59/x
  3. Step 3: Cross multiply
    144,176.31x = 198,955.08 × 86,098.59
  4. Step 4: Simplify right side
    144,176.31x = 17,129,751,861.34
  5. Step 5: Solve for x
    x = 17,129,751,861.34/144,176.31
  6. Step 6: Final answer
    x = 118,811.14

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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.