Home / 121,725.60-182,588.40-32,990.10

Finding the Fourth Proportional to 121,725.60, 182,588.40 and 32,990.10

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Solution

The fourth proportional to 121,725.60, 182,588.40 and 32,990.10 is: 49,485.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,725.60 : 182,588.40 = 32,990.10 : x
  2. Step 2: Convert to fraction form
    121,725.60/182,588.40 = 32,990.10/x
  3. Step 3: Cross multiply
    121,725.60x = 182,588.40 × 32,990.10
  4. Step 4: Simplify right side
    121,725.60x = 6,023,609,574.84
  5. Step 5: Solve for x
    x = 6,023,609,574.84/121,725.60
  6. Step 6: Final answer
    x = 49,485.15

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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.