Home / 140,126.48-193,399.62-83,541.56

Finding the Fourth Proportional to 140,126.48, 193,399.62 and 83,541.56

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Solution

The fourth proportional to 140,126.48, 193,399.62 and 83,541.56 is: 115,302.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,126.48 : 193,399.62 = 83,541.56 : x
  2. Step 2: Convert to fraction form
    140,126.48/193,399.62 = 83,541.56/x
  3. Step 3: Cross multiply
    140,126.48x = 193,399.62 × 83,541.56
  4. Step 4: Simplify right side
    140,126.48x = 16,156,905,958.21
  5. Step 5: Solve for x
    x = 16,156,905,958.21/140,126.48
  6. Step 6: Final answer
    x = 115,302.30

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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.