Home / 118,922.14-178,033.28-79,381.18

Finding the Fourth Proportional to 118,922.14, 178,033.28 and 79,381.18

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Solution

The fourth proportional to 118,922.14, 178,033.28 and 79,381.18 is: 118,838.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,922.14 : 178,033.28 = 79,381.18 : x
  2. Step 2: Convert to fraction form
    118,922.14/178,033.28 = 79,381.18/x
  3. Step 3: Cross multiply
    118,922.14x = 178,033.28 × 79,381.18
  4. Step 4: Simplify right side
    118,922.14x = 14,132,490,955.50
  5. Step 5: Solve for x
    x = 14,132,490,955.50/118,922.14
  6. Step 6: Final answer
    x = 118,838.19

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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.