Home / 147,741.60-221,612.40-88,546.80

Finding the Fourth Proportional to 147,741.60, 221,612.40 and 88,546.80

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Solution

The fourth proportional to 147,741.60, 221,612.40 and 88,546.80 is: 132,820.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,741.60 : 221,612.40 = 88,546.80 : x
  2. Step 2: Convert to fraction form
    147,741.60/221,612.40 = 88,546.80/x
  3. Step 3: Cross multiply
    147,741.60x = 221,612.40 × 88,546.80
  4. Step 4: Simplify right side
    147,741.60x = 19,623,068,860.32
  5. Step 5: Solve for x
    x = 19,623,068,860.32/147,741.60
  6. Step 6: Final answer
    x = 132,820.20

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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.