Home / 108,957.12-150,304.34-73,159.58

Finding the Fourth Proportional to 108,957.12, 150,304.34 and 73,159.58

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Solution

The fourth proportional to 108,957.12, 150,304.34 and 73,159.58 is: 100,922.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,957.12 : 150,304.34 = 73,159.58 : x
  2. Step 2: Convert to fraction form
    108,957.12/150,304.34 = 73,159.58/x
  3. Step 3: Cross multiply
    108,957.12x = 150,304.34 × 73,159.58
  4. Step 4: Simplify right side
    108,957.12x = 10,996,202,386.58
  5. Step 5: Solve for x
    x = 10,996,202,386.58/108,957.12
  6. Step 6: Final answer
    x = 100,922.29

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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.