Home / 106,675.71-147,212.97-58,278.33

Finding the Fourth Proportional to 106,675.71, 147,212.97 and 58,278.33

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Solution

The fourth proportional to 106,675.71, 147,212.97 and 58,278.33 is: 80,424.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,675.71 : 147,212.97 = 58,278.33 : x
  2. Step 2: Convert to fraction form
    106,675.71/147,212.97 = 58,278.33/x
  3. Step 3: Cross multiply
    106,675.71x = 147,212.97 × 58,278.33
  4. Step 4: Simplify right side
    106,675.71x = 8,579,326,045.94
  5. Step 5: Solve for x
    x = 8,579,326,045.94/106,675.71
  6. Step 6: Final answer
    x = 80,424.36

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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.