Home / 174,730.80-261,966.60-74,809.20

Finding the Fourth Proportional to 174,730.80, 261,966.60 and 74,809.20

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Solution

The fourth proportional to 174,730.80, 261,966.60 and 74,809.20 is: 112,158.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,730.80 : 261,966.60 = 74,809.20 : x
  2. Step 2: Convert to fraction form
    174,730.80/261,966.60 = 74,809.20/x
  3. Step 3: Cross multiply
    174,730.80x = 261,966.60 × 74,809.20
  4. Step 4: Simplify right side
    174,730.80x = 19,597,511,772.72
  5. Step 5: Solve for x
    x = 19,597,511,772.72/174,730.80
  6. Step 6: Final answer
    x = 112,158.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.