Home / 153,921.45-230,465.12-79,893.93

Finding the Fourth Proportional to 153,921.45, 230,465.12 and 79,893.93

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Solution

The fourth proportional to 153,921.45, 230,465.12 and 79,893.93 is: 119,624.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,921.45 : 230,465.12 = 79,893.93 : x
  2. Step 2: Convert to fraction form
    153,921.45/230,465.12 = 79,893.93/x
  3. Step 3: Cross multiply
    153,921.45x = 230,465.12 × 79,893.93
  4. Step 4: Simplify right side
    153,921.45x = 18,412,763,765.25
  5. Step 5: Solve for x
    x = 18,412,763,765.25/153,921.45
  6. Step 6: Final answer
    x = 119,624.42

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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.