Home / 236,868.61-326,882.96-129,443.17

Finding the Fourth Proportional to 236,868.61, 326,882.96 and 129,443.17

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Solution

The fourth proportional to 236,868.61, 326,882.96 and 129,443.17 is: 178,633.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,868.61 : 326,882.96 = 129,443.17 : x
  2. Step 2: Convert to fraction form
    236,868.61/326,882.96 = 129,443.17/x
  3. Step 3: Cross multiply
    236,868.61x = 326,882.96 × 129,443.17
  4. Step 4: Simplify right side
    236,868.61x = 42,312,766,561.38
  5. Step 5: Solve for x
    x = 42,312,766,561.38/236,868.61
  6. Step 6: Final answer
    x = 178,633.91

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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.