Home / 136,068.80-204,054.60-47,325.20

Finding the Fourth Proportional to 136,068.80, 204,054.60 and 47,325.20

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Solution

The fourth proportional to 136,068.80, 204,054.60 and 47,325.20 is: 70,970.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,068.80 : 204,054.60 = 47,325.20 : x
  2. Step 2: Convert to fraction form
    136,068.80/204,054.60 = 47,325.20/x
  3. Step 3: Cross multiply
    136,068.80x = 204,054.60 × 47,325.20
  4. Step 4: Simplify right side
    136,068.80x = 9,656,924,755.92
  5. Step 5: Solve for x
    x = 9,656,924,755.92/136,068.80
  6. Step 6: Final answer
    x = 70,970.90

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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.