Home / 114,943.36-158,620.80-64,641.28

Finding the Fourth Proportional to 114,943.36, 158,620.80 and 64,641.28

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Solution

The fourth proportional to 114,943.36, 158,620.80 and 64,641.28 is: 89,204.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,943.36 : 158,620.80 = 64,641.28 : x
  2. Step 2: Convert to fraction form
    114,943.36/158,620.80 = 64,641.28/x
  3. Step 3: Cross multiply
    114,943.36x = 158,620.80 × 64,641.28
  4. Step 4: Simplify right side
    114,943.36x = 10,253,451,546.62
  5. Step 5: Solve for x
    x = 10,253,451,546.62/114,943.36
  6. Step 6: Final answer
    x = 89,204.38

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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.