Home / 236,587.80-326,496.24-129,162.36

Finding the Fourth Proportional to 236,587.80, 326,496.24 and 129,162.36

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Solution

The fourth proportional to 236,587.80, 326,496.24 and 129,162.36 is: 178,246.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,587.80 : 326,496.24 = 129,162.36 : x
  2. Step 2: Convert to fraction form
    236,587.80/326,496.24 = 129,162.36/x
  3. Step 3: Cross multiply
    236,587.80x = 326,496.24 × 129,162.36
  4. Step 4: Simplify right side
    236,587.80x = 42,171,024,889.53
  5. Step 5: Solve for x
    x = 42,171,024,889.53/236,587.80
  6. Step 6: Final answer
    x = 178,246.83

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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.