Home / 144,618.40-199,567.56-84,190.78

Finding the Fourth Proportional to 144,618.40, 199,567.56 and 84,190.78

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Solution

The fourth proportional to 144,618.40, 199,567.56 and 84,190.78 is: 116,179.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,618.40 : 199,567.56 = 84,190.78 : x
  2. Step 2: Convert to fraction form
    144,618.40/199,567.56 = 84,190.78/x
  3. Step 3: Cross multiply
    144,618.40x = 199,567.56 × 84,190.78
  4. Step 4: Simplify right side
    144,618.40x = 16,801,748,539.10
  5. Step 5: Solve for x
    x = 16,801,748,539.10/144,618.40
  6. Step 6: Final answer
    x = 116,179.88

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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.