Home / 149,824.40-206,763.75-86,162.22

Finding the Fourth Proportional to 149,824.40, 206,763.75 and 86,162.22

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Solution

The fourth proportional to 149,824.40, 206,763.75 and 86,162.22 is: 118,907.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,824.40 : 206,763.75 = 86,162.22 : x
  2. Step 2: Convert to fraction form
    149,824.40/206,763.75 = 86,162.22/x
  3. Step 3: Cross multiply
    149,824.40x = 206,763.75 × 86,162.22
  4. Step 4: Simplify right side
    149,824.40x = 17,815,223,715.53
  5. Step 5: Solve for x
    x = 17,815,223,715.53/149,824.40
  6. Step 6: Final answer
    x = 118,907.36

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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.