Home / 236,864.04-326,858.60-129,434.96

Finding the Fourth Proportional to 236,864.04, 326,858.60 and 129,434.96

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Solution

The fourth proportional to 236,864.04, 326,858.60 and 129,434.96 is: 178,612.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,864.04 : 326,858.60 = 129,434.96 : x
  2. Step 2: Convert to fraction form
    236,864.04/326,858.60 = 129,434.96/x
  3. Step 3: Cross multiply
    236,864.04x = 326,858.60 × 129,434.96
  4. Step 4: Simplify right side
    236,864.04x = 42,306,928,505.95
  5. Step 5: Solve for x
    x = 42,306,928,505.95/236,864.04
  6. Step 6: Final answer
    x = 178,612.71

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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.