Home / 118,178.82-163,088.97-64,465.77

Finding the Fourth Proportional to 118,178.82, 163,088.97 and 64,465.77

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Solution

The fourth proportional to 118,178.82, 163,088.97 and 64,465.77 is: 88,963.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,178.82 : 163,088.97 = 64,465.77 : x
  2. Step 2: Convert to fraction form
    118,178.82/163,088.97 = 64,465.77/x
  3. Step 3: Cross multiply
    118,178.82x = 163,088.97 × 64,465.77
  4. Step 4: Simplify right side
    118,178.82x = 10,513,656,029.56
  5. Step 5: Solve for x
    x = 10,513,656,029.56/118,178.82
  6. Step 6: Final answer
    x = 88,963.96

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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.