Home / 106,458.90-146,911.28-58,716.78

Finding the Fourth Proportional to 106,458.90, 146,911.28 and 58,716.78

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Solution

The fourth proportional to 106,458.90, 146,911.28 and 58,716.78 is: 81,028.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,458.90 : 146,911.28 = 58,716.78 : x
  2. Step 2: Convert to fraction form
    106,458.90/146,911.28 = 58,716.78/x
  3. Step 3: Cross multiply
    106,458.90x = 146,911.28 × 58,716.78
  4. Step 4: Simplify right side
    106,458.90x = 8,626,157,307.28
  5. Step 5: Solve for x
    x = 8,626,157,307.28/106,458.90
  6. Step 6: Final answer
    x = 81,028.05

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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.