Home / 118,152.51-163,043.97-67,158.15

Finding the Fourth Proportional to 118,152.51, 163,043.97 and 67,158.15

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Solution

The fourth proportional to 118,152.51, 163,043.97 and 67,158.15 is: 92,674.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,152.51 : 163,043.97 = 67,158.15 : x
  2. Step 2: Convert to fraction form
    118,152.51/163,043.97 = 67,158.15/x
  3. Step 3: Cross multiply
    118,152.51x = 163,043.97 × 67,158.15
  4. Step 4: Simplify right side
    118,152.51x = 10,949,730,908.36
  5. Step 5: Solve for x
    x = 10,949,730,908.36/118,152.51
  6. Step 6: Final answer
    x = 92,674.55

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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.