Home / 118,332.06-163,299.15-64,616.10

Finding the Fourth Proportional to 118,332.06, 163,299.15 and 64,616.10

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Solution

The fourth proportional to 118,332.06, 163,299.15 and 64,616.10 is: 89,170.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,332.06 : 163,299.15 = 64,616.10 : x
  2. Step 2: Convert to fraction form
    118,332.06/163,299.15 = 64,616.10/x
  3. Step 3: Cross multiply
    118,332.06x = 163,299.15 × 64,616.10
  4. Step 4: Simplify right side
    118,332.06x = 10,551,754,206.32
  5. Step 5: Solve for x
    x = 10,551,754,206.32/118,332.06
  6. Step 6: Final answer
    x = 89,170.71

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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.