Home / 230,717.40-346,011.30-72,994.20

Finding the Fourth Proportional to 230,717.40, 346,011.30 and 72,994.20

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Solution

The fourth proportional to 230,717.40, 346,011.30 and 72,994.20 is: 109,470.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,717.40 : 346,011.30 = 72,994.20 : x
  2. Step 2: Convert to fraction form
    230,717.40/346,011.30 = 72,994.20/x
  3. Step 3: Cross multiply
    230,717.40x = 346,011.30 × 72,994.20
  4. Step 4: Simplify right side
    230,717.40x = 25,256,818,034.46
  5. Step 5: Solve for x
    x = 25,256,818,034.46/230,717.40
  6. Step 6: Final answer
    x = 109,470.80

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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.