Home / 106,431.20-146,876.08-58,686.24

Finding the Fourth Proportional to 106,431.20, 146,876.08 and 58,686.24

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Solution

The fourth proportional to 106,431.20, 146,876.08 and 58,686.24 is: 80,987.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,431.20 : 146,876.08 = 58,686.24 : x
  2. Step 2: Convert to fraction form
    106,431.20/146,876.08 = 58,686.24/x
  3. Step 3: Cross multiply
    106,431.20x = 146,876.08 × 58,686.24
  4. Step 4: Simplify right side
    106,431.20x = 8,619,604,881.14
  5. Step 5: Solve for x
    x = 8,619,604,881.14/106,431.20
  6. Step 6: Final answer
    x = 80,987.58

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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.