Home / 140,971.60-194,549.80-93,141.04

Finding the Fourth Proportional to 140,971.60, 194,549.80 and 93,141.04

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Solution

The fourth proportional to 140,971.60, 194,549.80 and 93,141.04 is: 128,540.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,971.60 : 194,549.80 = 93,141.04 : x
  2. Step 2: Convert to fraction form
    140,971.60/194,549.80 = 93,141.04/x
  3. Step 3: Cross multiply
    140,971.60x = 194,549.80 × 93,141.04
  4. Step 4: Simplify right side
    140,971.60x = 18,120,570,703.79
  5. Step 5: Solve for x
    x = 18,120,570,703.79/140,971.60
  6. Step 6: Final answer
    x = 128,540.58

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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.