Home / 220,527.36-304,320.64-125,042.56

Finding the Fourth Proportional to 220,527.36, 304,320.64 and 125,042.56

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Solution

The fourth proportional to 220,527.36, 304,320.64 and 125,042.56 is: 172,554.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,527.36 : 304,320.64 = 125,042.56 : x
  2. Step 2: Convert to fraction form
    220,527.36/304,320.64 = 125,042.56/x
  3. Step 3: Cross multiply
    220,527.36x = 304,320.64 × 125,042.56
  4. Step 4: Simplify right side
    220,527.36x = 38,053,031,886.44
  5. Step 5: Solve for x
    x = 38,053,031,886.44/220,527.36
  6. Step 6: Final answer
    x = 172,554.70

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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.