Home / 220,345.04-304,025.80-124,829.84

Finding the Fourth Proportional to 220,345.04, 304,025.80 and 124,829.84

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Solution

The fourth proportional to 220,345.04, 304,025.80 and 124,829.84 is: 172,236.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,345.04 : 304,025.80 = 124,829.84 : x
  2. Step 2: Convert to fraction form
    220,345.04/304,025.80 = 124,829.84/x
  3. Step 3: Cross multiply
    220,345.04x = 304,025.80 × 124,829.84
  4. Step 4: Simplify right side
    220,345.04x = 37,951,491,969.87
  5. Step 5: Solve for x
    x = 37,951,491,969.87/220,345.04
  6. Step 6: Final answer
    x = 172,236.65

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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.