Home / 114,917.85-158,586.63-64,616.85

Finding the Fourth Proportional to 114,917.85, 158,586.63 and 64,616.85

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Solution

The fourth proportional to 114,917.85, 158,586.63 and 64,616.85 is: 89,171.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,917.85 : 158,586.63 = 64,616.85 : x
  2. Step 2: Convert to fraction form
    114,917.85/158,586.63 = 64,616.85/x
  3. Step 3: Cross multiply
    114,917.85x = 158,586.63 × 64,616.85
  4. Step 4: Simplify right side
    114,917.85x = 10,247,367,689.78
  5. Step 5: Solve for x
    x = 10,247,367,689.78/114,917.85
  6. Step 6: Final answer
    x = 89,171.25

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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.