Home / 238,080.43-328,555.02-130,660.46

Finding the Fourth Proportional to 238,080.43, 328,555.02 and 130,660.46

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Solution

The fourth proportional to 238,080.43, 328,555.02 and 130,660.46 is: 180,313.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,080.43 : 328,555.02 = 130,660.46 : x
  2. Step 2: Convert to fraction form
    238,080.43/328,555.02 = 130,660.46/x
  3. Step 3: Cross multiply
    238,080.43x = 328,555.02 × 130,660.46
  4. Step 4: Simplify right side
    238,080.43x = 42,929,148,405.73
  5. Step 5: Solve for x
    x = 42,929,148,405.73/238,080.43
  6. Step 6: Final answer
    x = 180,313.64

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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.