Home / 220,330.29-304,055.06-124,855.23

Finding the Fourth Proportional to 220,330.29, 304,055.06 and 124,855.23

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Solution

The fourth proportional to 220,330.29, 304,055.06 and 124,855.23 is: 172,299.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,330.29 : 304,055.06 = 124,855.23 : x
  2. Step 2: Convert to fraction form
    220,330.29/304,055.06 = 124,855.23/x
  3. Step 3: Cross multiply
    220,330.29x = 304,055.06 × 124,855.23
  4. Step 4: Simplify right side
    220,330.29x = 37,962,863,824.69
  5. Step 5: Solve for x
    x = 37,962,863,824.69/220,330.29
  6. Step 6: Final answer
    x = 172,299.80

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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.