Home / 220,328.80-304,109.04-124,892.44

Finding the Fourth Proportional to 220,328.80, 304,109.04 and 124,892.44

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Solution

The fourth proportional to 220,328.80, 304,109.04 and 124,892.44 is: 172,382.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,328.80 : 304,109.04 = 124,892.44 : x
  2. Step 2: Convert to fraction form
    220,328.80/304,109.04 = 124,892.44/x
  3. Step 3: Cross multiply
    220,328.80x = 304,109.04 × 124,892.44
  4. Step 4: Simplify right side
    220,328.80x = 37,980,920,031.66
  5. Step 5: Solve for x
    x = 37,980,920,031.66/220,328.80
  6. Step 6: Final answer
    x = 172,382.91

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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.