Home / 254,810.20-382,215.30-239,063.80

Finding the Fourth Proportional to 254,810.20, 382,215.30 and 239,063.80

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Solution

The fourth proportional to 254,810.20, 382,215.30 and 239,063.80 is: 358,595.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,810.20 : 382,215.30 = 239,063.80 : x
  2. Step 2: Convert to fraction form
    254,810.20/382,215.30 = 239,063.80/x
  3. Step 3: Cross multiply
    254,810.20x = 382,215.30 × 239,063.80
  4. Step 4: Simplify right side
    254,810.20x = 91,373,842,036.14
  5. Step 5: Solve for x
    x = 91,373,842,036.14/254,810.20
  6. Step 6: Final answer
    x = 358,595.70

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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.