Home / 220,305.42-304,009.56-124,810.02

Finding the Fourth Proportional to 220,305.42, 304,009.56 and 124,810.02

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Solution

The fourth proportional to 220,305.42, 304,009.56 and 124,810.02 is: 172,231.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,305.42 : 304,009.56 = 124,810.02 : x
  2. Step 2: Convert to fraction form
    220,305.42/304,009.56 = 124,810.02/x
  3. Step 3: Cross multiply
    220,305.42x = 304,009.56 × 124,810.02
  4. Step 4: Simplify right side
    220,305.42x = 37,943,439,263.79
  5. Step 5: Solve for x
    x = 37,943,439,263.79/220,305.42
  6. Step 6: Final answer
    x = 172,231.07

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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.