Home / 220,518.33-304,306.11-125,031.48

Finding the Fourth Proportional to 220,518.33, 304,306.11 and 125,031.48

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Solution

The fourth proportional to 220,518.33, 304,306.11 and 125,031.48 is: 172,538.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,518.33 : 304,306.11 = 125,031.48 : x
  2. Step 2: Convert to fraction form
    220,518.33/304,306.11 = 125,031.48/x
  3. Step 3: Cross multiply
    220,518.33x = 304,306.11 × 125,031.48
  4. Step 4: Simplify right side
    220,518.33x = 38,047,843,306.34
  5. Step 5: Solve for x
    x = 38,047,843,306.34/220,518.33
  6. Step 6: Final answer
    x = 172,538.23

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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.