Home / 118,210.66-163,129.89-67,223.37

Finding the Fourth Proportional to 118,210.66, 163,129.89 and 67,223.37

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Solution

The fourth proportional to 118,210.66, 163,129.89 and 67,223.37 is: 92,767.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,210.66 : 163,129.89 = 67,223.37 : x
  2. Step 2: Convert to fraction form
    118,210.66/163,129.89 = 67,223.37/x
  3. Step 3: Cross multiply
    118,210.66x = 163,129.89 × 67,223.37
  4. Step 4: Simplify right side
    118,210.66x = 10,966,140,953.53
  5. Step 5: Solve for x
    x = 10,966,140,953.53/118,210.66
  6. Step 6: Final answer
    x = 92,767.78

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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.