Home / 118,815.66-176,708.52-115,823.16

Finding the Fourth Proportional to 118,815.66, 176,708.52 and 115,823.16

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Solution

The fourth proportional to 118,815.66, 176,708.52 and 115,823.16 is: 172,257.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,815.66 : 176,708.52 = 115,823.16 : x
  2. Step 2: Convert to fraction form
    118,815.66/176,708.52 = 115,823.16/x
  3. Step 3: Cross multiply
    118,815.66x = 176,708.52 × 115,823.16
  4. Step 4: Simplify right side
    118,815.66x = 20,466,939,185.32
  5. Step 5: Solve for x
    x = 20,466,939,185.32/118,815.66
  6. Step 6: Final answer
    x = 172,257.93

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.