Home / 106,021.26-146,307.43-58,274.59

Finding the Fourth Proportional to 106,021.26, 146,307.43 and 58,274.59

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Solution

The fourth proportional to 106,021.26, 146,307.43 and 58,274.59 is: 80,417.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,021.26 : 146,307.43 = 58,274.59 : x
  2. Step 2: Convert to fraction form
    106,021.26/146,307.43 = 58,274.59/x
  3. Step 3: Cross multiply
    106,021.26x = 146,307.43 × 58,274.59
  4. Step 4: Simplify right side
    106,021.26x = 8,526,005,497.20
  5. Step 5: Solve for x
    x = 8,526,005,497.20/106,021.26
  6. Step 6: Final answer
    x = 80,417.89

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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.