Home / 236,859.27-326,866.65-129,429.30

Finding the Fourth Proportional to 236,859.27, 326,866.65 and 129,429.30

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Solution

The fourth proportional to 236,859.27, 326,866.65 and 129,429.30 is: 178,612.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,859.27 : 326,866.65 = 129,429.30 : x
  2. Step 2: Convert to fraction form
    236,859.27/326,866.65 = 129,429.30/x
  3. Step 3: Cross multiply
    236,859.27x = 326,866.65 × 129,429.30
  4. Step 4: Simplify right side
    236,859.27x = 42,306,122,443.24
  5. Step 5: Solve for x
    x = 42,306,122,443.24/236,859.27
  6. Step 6: Final answer
    x = 178,612.90

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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.