Home / 238,037.27-328,512.72-130,628.24

Finding the Fourth Proportional to 238,037.27, 328,512.72 and 130,628.24

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Solution

The fourth proportional to 238,037.27, 328,512.72 and 130,628.24 is: 180,278.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,037.27 : 328,512.72 = 130,628.24 : x
  2. Step 2: Convert to fraction form
    238,037.27/328,512.72 = 130,628.24/x
  3. Step 3: Cross multiply
    238,037.27x = 328,512.72 × 130,628.24
  4. Step 4: Simplify right side
    238,037.27x = 42,913,036,788.65
  5. Step 5: Solve for x
    x = 42,913,036,788.65/238,037.27
  6. Step 6: Final answer
    x = 180,278.65

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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.