Home / 236,447.91-326,299.05-129,020.18

Finding the Fourth Proportional to 236,447.91, 326,299.05 and 129,020.18

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Solution

The fourth proportional to 236,447.91, 326,299.05 and 129,020.18 is: 178,048.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,447.91 : 326,299.05 = 129,020.18 : x
  2. Step 2: Convert to fraction form
    236,447.91/326,299.05 = 129,020.18/x
  3. Step 3: Cross multiply
    236,447.91x = 326,299.05 × 129,020.18
  4. Step 4: Simplify right side
    236,447.91x = 42,099,160,533.33
  5. Step 5: Solve for x
    x = 42,099,160,533.33/236,447.91
  6. Step 6: Final answer
    x = 178,048.35

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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.