Home / 185,307.75-255,752.13-117,331.03

Finding the Fourth Proportional to 185,307.75, 255,752.13 and 117,331.03

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Solution

The fourth proportional to 185,307.75, 255,752.13 and 117,331.03 is: 161,934.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,307.75 : 255,752.13 = 117,331.03 : x
  2. Step 2: Convert to fraction form
    185,307.75/255,752.13 = 117,331.03/x
  3. Step 3: Cross multiply
    185,307.75x = 255,752.13 × 117,331.03
  4. Step 4: Simplify right side
    185,307.75x = 30,007,661,597.28
  5. Step 5: Solve for x
    x = 30,007,661,597.28/185,307.75
  6. Step 6: Final answer
    x = 161,934.20

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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.