Home / 153,593.55-230,353.41-78,675.13

Finding the Fourth Proportional to 153,593.55, 230,353.41 and 78,675.13

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Solution

The fourth proportional to 153,593.55, 230,353.41 and 78,675.13 is: 117,993.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,593.55 : 230,353.41 = 78,675.13 : x
  2. Step 2: Convert to fraction form
    153,593.55/230,353.41 = 78,675.13/x
  3. Step 3: Cross multiply
    153,593.55x = 230,353.41 × 78,675.13
  4. Step 4: Simplify right side
    153,593.55x = 18,123,084,477.69
  5. Step 5: Solve for x
    x = 18,123,084,477.69/153,593.55
  6. Step 6: Final answer
    x = 117,993.79

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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.