Home / 106,736.24-147,301.68-61,421.12

Finding the Fourth Proportional to 106,736.24, 147,301.68 and 61,421.12

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Solution

The fourth proportional to 106,736.24, 147,301.68 and 61,421.12 is: 84,764.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,736.24 : 147,301.68 = 61,421.12 : x
  2. Step 2: Convert to fraction form
    106,736.24/147,301.68 = 61,421.12/x
  3. Step 3: Cross multiply
    106,736.24x = 147,301.68 × 61,421.12
  4. Step 4: Simplify right side
    106,736.24x = 9,047,434,163.48
  5. Step 5: Solve for x
    x = 9,047,434,163.48/106,736.24
  6. Step 6: Final answer
    x = 84,764.41

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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.