Home / 149,733.70-206,650.17-86,074.18

Finding the Fourth Proportional to 149,733.70, 206,650.17 and 86,074.18

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Solution

The fourth proportional to 149,733.70, 206,650.17 and 86,074.18 is: 118,792.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,733.70 : 206,650.17 = 86,074.18 : x
  2. Step 2: Convert to fraction form
    149,733.70/206,650.17 = 86,074.18/x
  3. Step 3: Cross multiply
    149,733.70x = 206,650.17 × 86,074.18
  4. Step 4: Simplify right side
    149,733.70x = 17,787,243,929.61
  5. Step 5: Solve for x
    x = 17,787,243,929.61/149,733.70
  6. Step 6: Final answer
    x = 118,792.52

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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.