Home / 118,143.04-163,037.67-67,156.11

Finding the Fourth Proportional to 118,143.04, 163,037.67 and 67,156.11

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Solution

The fourth proportional to 118,143.04, 163,037.67 and 67,156.11 is: 92,675.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,143.04 : 163,037.67 = 67,156.11 : x
  2. Step 2: Convert to fraction form
    118,143.04/163,037.67 = 67,156.11/x
  3. Step 3: Cross multiply
    118,143.04x = 163,037.67 × 67,156.11
  4. Step 4: Simplify right side
    118,143.04x = 10,948,975,700.66
  5. Step 5: Solve for x
    x = 10,948,975,700.66/118,143.04
  6. Step 6: Final answer
    x = 92,675.59

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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.