Home / 114,940.36-158,616.17-64,639.36

Finding the Fourth Proportional to 114,940.36, 158,616.17 and 64,639.36

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Solution

The fourth proportional to 114,940.36, 158,616.17 and 64,639.36 is: 89,201.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,940.36 : 158,616.17 = 64,639.36 : x
  2. Step 2: Convert to fraction form
    114,940.36/158,616.17 = 64,639.36/x
  3. Step 3: Cross multiply
    114,940.36x = 158,616.17 × 64,639.36
  4. Step 4: Simplify right side
    114,940.36x = 10,252,847,317.91
  5. Step 5: Solve for x
    x = 10,252,847,317.91/114,940.36
  6. Step 6: Final answer
    x = 89,201.46

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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.