Home / 118,312.11-163,274.81-67,332.47

Finding the Fourth Proportional to 118,312.11, 163,274.81 and 67,332.47

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Solution

The fourth proportional to 118,312.11, 163,274.81 and 67,332.47 is: 92,921.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,312.11 : 163,274.81 = 67,332.47 : x
  2. Step 2: Convert to fraction form
    118,312.11/163,274.81 = 67,332.47/x
  3. Step 3: Cross multiply
    118,312.11x = 163,274.81 × 67,332.47
  4. Step 4: Simplify right side
    118,312.11x = 10,993,695,093.04
  5. Step 5: Solve for x
    x = 10,993,695,093.04/118,312.11
  6. Step 6: Final answer
    x = 92,921.13

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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.