Home / 113,323.20-169,984.80-75,998.40

Finding the Fourth Proportional to 113,323.20, 169,984.80 and 75,998.40

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Solution

The fourth proportional to 113,323.20, 169,984.80 and 75,998.40 is: 113,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,323.20 : 169,984.80 = 75,998.40 : x
  2. Step 2: Convert to fraction form
    113,323.20/169,984.80 = 75,998.40/x
  3. Step 3: Cross multiply
    113,323.20x = 169,984.80 × 75,998.40
  4. Step 4: Simplify right side
    113,323.20x = 12,918,572,824.32
  5. Step 5: Solve for x
    x = 12,918,572,824.32/113,323.20
  6. Step 6: Final answer
    x = 113,997.60

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.