Home / 149,920.70-206,870.58-96,278.36

Finding the Fourth Proportional to 149,920.70, 206,870.58 and 96,278.36

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Solution

The fourth proportional to 149,920.70, 206,870.58 and 96,278.36 is: 132,851.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,920.70 : 206,870.58 = 96,278.36 : x
  2. Step 2: Convert to fraction form
    149,920.70/206,870.58 = 96,278.36/x
  3. Step 3: Cross multiply
    149,920.70x = 206,870.58 × 96,278.36
  4. Step 4: Simplify right side
    149,920.70x = 19,917,159,140.30
  5. Step 5: Solve for x
    x = 19,917,159,140.30/149,920.70
  6. Step 6: Final answer
    x = 132,851.30

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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.