Home / 220,448.81-304,221.27-124,937.66

Finding the Fourth Proportional to 220,448.81, 304,221.27 and 124,937.66

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Solution

The fourth proportional to 220,448.81, 304,221.27 and 124,937.66 is: 172,415.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,448.81 : 304,221.27 = 124,937.66 : x
  2. Step 2: Convert to fraction form
    220,448.81/304,221.27 = 124,937.66/x
  3. Step 3: Cross multiply
    220,448.81x = 304,221.27 × 124,937.66
  4. Step 4: Simplify right side
    220,448.81x = 38,008,692,074.92
  5. Step 5: Solve for x
    x = 38,008,692,074.92/220,448.81
  6. Step 6: Final answer
    x = 172,415.05

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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.