Home / 220,754.83-304,642.25-125,261.27

Finding the Fourth Proportional to 220,754.83, 304,642.25 and 125,261.27

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Solution

The fourth proportional to 220,754.83, 304,642.25 and 125,261.27 is: 172,860.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,754.83 : 304,642.25 = 125,261.27 : x
  2. Step 2: Convert to fraction form
    220,754.83/304,642.25 = 125,261.27/x
  3. Step 3: Cross multiply
    220,754.83x = 304,642.25 × 125,261.27
  4. Step 4: Simplify right side
    220,754.83x = 38,159,875,130.66
  5. Step 5: Solve for x
    x = 38,159,875,130.66/220,754.83
  6. Step 6: Final answer
    x = 172,860.88

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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.