Home / 220,339.79-304,068.12-124,864.73

Finding the Fourth Proportional to 220,339.79, 304,068.12 and 124,864.73

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Solution

The fourth proportional to 220,339.79, 304,068.12 and 124,864.73 is: 172,312.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,339.79 : 304,068.12 = 124,864.73 : x
  2. Step 2: Convert to fraction form
    220,339.79/304,068.12 = 124,864.73/x
  3. Step 3: Cross multiply
    220,339.79x = 304,068.12 × 124,864.73
  4. Step 4: Simplify right side
    220,339.79x = 37,967,383,705.41
  5. Step 5: Solve for x
    x = 37,967,383,705.41/220,339.79
  6. Step 6: Final answer
    x = 172,312.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.