Home / 118,872.81-178,367.27-52,304.58

Finding the Fourth Proportional to 118,872.81, 178,367.27 and 52,304.58

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Solution

The fourth proportional to 118,872.81, 178,367.27 and 52,304.58 is: 78,482.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,872.81 : 178,367.27 = 52,304.58 : x
  2. Step 2: Convert to fraction form
    118,872.81/178,367.27 = 52,304.58/x
  3. Step 3: Cross multiply
    118,872.81x = 178,367.27 × 52,304.58
  4. Step 4: Simplify right side
    118,872.81x = 9,329,424,881.57
  5. Step 5: Solve for x
    x = 9,329,424,881.57/118,872.81
  6. Step 6: Final answer
    x = 78,482.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.