Home / 148,904.64-223,408.80-70,079.04

Finding the Fourth Proportional to 148,904.64, 223,408.80 and 70,079.04

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Solution

The fourth proportional to 148,904.64, 223,408.80 and 70,079.04 is: 105,142.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,904.64 : 223,408.80 = 70,079.04 : x
  2. Step 2: Convert to fraction form
    148,904.64/223,408.80 = 70,079.04/x
  3. Step 3: Cross multiply
    148,904.64x = 223,408.80 × 70,079.04
  4. Step 4: Simplify right side
    148,904.64x = 15,656,274,231.55
  5. Step 5: Solve for x
    x = 15,656,274,231.55/148,904.64
  6. Step 6: Final answer
    x = 105,142.96

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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.