Home / 236,862.10-326,865.74-129,429.66

Finding the Fourth Proportional to 236,862.10, 326,865.74 and 129,429.66

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Solution

The fourth proportional to 236,862.10, 326,865.74 and 129,429.66 is: 178,610.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,862.10 : 326,865.74 = 129,429.66 : x
  2. Step 2: Convert to fraction form
    236,862.10/326,865.74 = 129,429.66/x
  3. Step 3: Cross multiply
    236,862.10x = 326,865.74 × 129,429.66
  4. Step 4: Simplify right side
    236,862.10x = 42,306,121,593.85
  5. Step 5: Solve for x
    x = 42,306,121,593.85/236,862.10
  6. Step 6: Final answer
    x = 178,610.77

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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.