Home / 160,887.60-221,237.56-139,629.96

Finding the Fourth Proportional to 160,887.60, 221,237.56 and 139,629.96

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Solution

The fourth proportional to 160,887.60, 221,237.56 and 139,629.96 is: 192,006.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,887.60 : 221,237.56 = 139,629.96 : x
  2. Step 2: Convert to fraction form
    160,887.60/221,237.56 = 139,629.96/x
  3. Step 3: Cross multiply
    160,887.60x = 221,237.56 × 139,629.96
  4. Step 4: Simplify right side
    160,887.60x = 30,891,389,848.96
  5. Step 5: Solve for x
    x = 30,891,389,848.96/160,887.60
  6. Step 6: Final answer
    x = 192,006.04

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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.