Home / 238,260.66-328,800.69-129,365.34

Finding the Fourth Proportional to 238,260.66, 328,800.69 and 129,365.34

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Solution

The fourth proportional to 238,260.66, 328,800.69 and 129,365.34 is: 178,524.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,260.66 : 328,800.69 = 129,365.34 : x
  2. Step 2: Convert to fraction form
    238,260.66/328,800.69 = 129,365.34/x
  3. Step 3: Cross multiply
    238,260.66x = 328,800.69 × 129,365.34
  4. Step 4: Simplify right side
    238,260.66x = 42,535,413,054.08
  5. Step 5: Solve for x
    x = 42,535,413,054.08/238,260.66
  6. Step 6: Final answer
    x = 178,524.70

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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.