Home / 185,308.08-255,752.58-117,331.36

Finding the Fourth Proportional to 185,308.08, 255,752.58 and 117,331.36

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Solution

The fourth proportional to 185,308.08, 255,752.58 and 117,331.36 is: 161,934.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,308.08 : 255,752.58 = 117,331.36 : x
  2. Step 2: Convert to fraction form
    185,308.08/255,752.58 = 117,331.36/x
  3. Step 3: Cross multiply
    185,308.08x = 255,752.58 × 117,331.36
  4. Step 4: Simplify right side
    185,308.08x = 30,007,798,034.91
  5. Step 5: Solve for x
    x = 30,007,798,034.91/185,308.08
  6. Step 6: Final answer
    x = 161,934.64

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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.