Home / 220,925.02-304,866.03-125,418.73

Finding the Fourth Proportional to 220,925.02, 304,866.03 and 125,418.73

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Solution

The fourth proportional to 220,925.02, 304,866.03 and 125,418.73 is: 173,071.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,925.02 : 304,866.03 = 125,418.73 : x
  2. Step 2: Convert to fraction form
    220,925.02/304,866.03 = 125,418.73/x
  3. Step 3: Cross multiply
    220,925.02x = 304,866.03 × 125,418.73
  4. Step 4: Simplify right side
    220,925.02x = 38,235,910,302.74
  5. Step 5: Solve for x
    x = 38,235,910,302.74/220,925.02
  6. Step 6: Final answer
    x = 173,071.89

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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.