Home / 220,488.59-304,316.51-124,995.66

Finding the Fourth Proportional to 220,488.59, 304,316.51 and 124,995.66

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Solution

The fourth proportional to 220,488.59, 304,316.51 and 124,995.66 is: 172,517.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,488.59 : 304,316.51 = 124,995.66 : x
  2. Step 2: Convert to fraction form
    220,488.59/304,316.51 = 124,995.66/x
  3. Step 3: Cross multiply
    220,488.59x = 304,316.51 × 124,995.66
  4. Step 4: Simplify right side
    220,488.59x = 38,038,242,391.37
  5. Step 5: Solve for x
    x = 38,038,242,391.37/220,488.59
  6. Step 6: Final answer
    x = 172,517.97

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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.