Home / 97,297.04-145,945.56-75,142.73

Finding the Fourth Proportional to 97,297.04, 145,945.56 and 75,142.73

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Solution

The fourth proportional to 97,297.04, 145,945.56 and 75,142.73 is: 112,714.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,297.04 : 145,945.56 = 75,142.73 : x
  2. Step 2: Convert to fraction form
    97,297.04/145,945.56 = 75,142.73/x
  3. Step 3: Cross multiply
    97,297.04x = 145,945.56 × 75,142.73
  4. Step 4: Simplify right side
    97,297.04x = 10,966,747,809.78
  5. Step 5: Solve for x
    x = 10,966,747,809.78/97,297.04
  6. Step 6: Final answer
    x = 112,714.10

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Similar ratio
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1.5x scale

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.