Home / 220,516.04-304,304.92-123,714.04

Finding the Fourth Proportional to 220,516.04, 304,304.92 and 123,714.04

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Solution

The fourth proportional to 220,516.04, 304,304.92 and 123,714.04 is: 170,721.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,516.04 : 304,304.92 = 123,714.04 : x
  2. Step 2: Convert to fraction form
    220,516.04/304,304.92 = 123,714.04/x
  3. Step 3: Cross multiply
    220,516.04x = 304,304.92 × 123,714.04
  4. Step 4: Simplify right side
    220,516.04x = 37,646,791,045.08
  5. Step 5: Solve for x
    x = 37,646,791,045.08/220,516.04
  6. Step 6: Final answer
    x = 170,721.33

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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.