Home / 220,315.54-304,036.46-124,840.84

Finding the Fourth Proportional to 220,315.54, 304,036.46 and 124,840.84

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Solution

The fourth proportional to 220,315.54, 304,036.46 and 124,840.84 is: 172,280.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,315.54 : 304,036.46 = 124,840.84 : x
  2. Step 2: Convert to fraction form
    220,315.54/304,036.46 = 124,840.84/x
  3. Step 3: Cross multiply
    220,315.54x = 304,036.46 × 124,840.84
  4. Step 4: Simplify right side
    220,315.54x = 37,956,167,057.03
  5. Step 5: Solve for x
    x = 37,956,167,057.03/220,315.54
  6. Step 6: Final answer
    x = 172,280.93

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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.