Home / 185,346.12-255,804.97-117,369.30

Finding the Fourth Proportional to 185,346.12, 255,804.97 and 117,369.30

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Solution

The fourth proportional to 185,346.12, 255,804.97 and 117,369.30 is: 161,986.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,346.12 : 255,804.97 = 117,369.30 : x
  2. Step 2: Convert to fraction form
    185,346.12/255,804.97 = 117,369.30/x
  3. Step 3: Cross multiply
    185,346.12x = 255,804.97 × 117,369.30
  4. Step 4: Simplify right side
    185,346.12x = 30,023,650,265.42
  5. Step 5: Solve for x
    x = 30,023,650,265.42/185,346.12
  6. Step 6: Final answer
    x = 161,986.94

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1.5x scale

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.