Home / 144,316.23-199,156.71-80,654.04

Finding the Fourth Proportional to 144,316.23, 199,156.71 and 80,654.04

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Solution

The fourth proportional to 144,316.23, 199,156.71 and 80,654.04 is: 111,302.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,316.23 : 199,156.71 = 80,654.04 : x
  2. Step 2: Convert to fraction form
    144,316.23/199,156.71 = 80,654.04/x
  3. Step 3: Cross multiply
    144,316.23x = 199,156.71 × 80,654.04
  4. Step 4: Simplify right side
    144,316.23x = 16,062,793,254.61
  5. Step 5: Solve for x
    x = 16,062,793,254.61/144,316.23
  6. Step 6: Final answer
    x = 111,302.75

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1.5x scale

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.