Home / 230,931.80-346,446.30-73,176.20

Finding the Fourth Proportional to 230,931.80, 346,446.30 and 73,176.20

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Solution

The fourth proportional to 230,931.80, 346,446.30 and 73,176.20 is: 109,779.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,931.80 : 346,446.30 = 73,176.20 : x
  2. Step 2: Convert to fraction form
    230,931.80/346,446.30 = 73,176.20/x
  3. Step 3: Cross multiply
    230,931.80x = 346,446.30 × 73,176.20
  4. Step 4: Simplify right side
    230,931.80x = 25,351,623,738.06
  5. Step 5: Solve for x
    x = 25,351,623,738.06/230,931.80
  6. Step 6: Final answer
    x = 109,779.70

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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.