Home / 220,102.11-303,752.43-124,617.69

Finding the Fourth Proportional to 220,102.11, 303,752.43 and 124,617.69

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Solution

The fourth proportional to 220,102.11, 303,752.43 and 124,617.69 is: 171,978.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,102.11 : 303,752.43 = 124,617.69 : x
  2. Step 2: Convert to fraction form
    220,102.11/303,752.43 = 124,617.69/x
  3. Step 3: Cross multiply
    220,102.11x = 303,752.43 × 124,617.69
  4. Step 4: Simplify right side
    220,102.11x = 37,852,926,158.49
  5. Step 5: Solve for x
    x = 37,852,926,158.49/220,102.11
  6. Step 6: Final answer
    x = 171,978.93

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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.