Home / 149,599.76-206,427.20-85,937.54

Finding the Fourth Proportional to 149,599.76, 206,427.20 and 85,937.54

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Solution

The fourth proportional to 149,599.76, 206,427.20 and 85,937.54 is: 118,582.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,599.76 : 206,427.20 = 85,937.54 : x
  2. Step 2: Convert to fraction form
    149,599.76/206,427.20 = 85,937.54/x
  3. Step 3: Cross multiply
    149,599.76x = 206,427.20 × 85,937.54
  4. Step 4: Simplify right side
    149,599.76x = 17,739,844,295.26
  5. Step 5: Solve for x
    x = 17,739,844,295.26/149,599.76
  6. Step 6: Final answer
    x = 118,582.04

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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.