Home / 106,825.23-147,575.12-84,313.71

Finding the Fourth Proportional to 106,825.23, 147,575.12 and 84,313.71

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Solution

The fourth proportional to 106,825.23, 147,575.12 and 84,313.71 is: 116,476.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,825.23 : 147,575.12 = 84,313.71 : x
  2. Step 2: Convert to fraction form
    106,825.23/147,575.12 = 84,313.71/x
  3. Step 3: Cross multiply
    106,825.23x = 147,575.12 × 84,313.71
  4. Step 4: Simplify right side
    106,825.23x = 12,442,605,449.33
  5. Step 5: Solve for x
    x = 12,442,605,449.33/106,825.23
  6. Step 6: Final answer
    x = 116,476.28

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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.