Home / 185,039.64-255,359.40-113,459.12

Finding the Fourth Proportional to 185,039.64, 255,359.40 and 113,459.12

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Solution

The fourth proportional to 185,039.64, 255,359.40 and 113,459.12 is: 156,576.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,039.64 : 255,359.40 = 113,459.12 : x
  2. Step 2: Convert to fraction form
    185,039.64/255,359.40 = 113,459.12/x
  3. Step 3: Cross multiply
    185,039.64x = 255,359.40 × 113,459.12
  4. Step 4: Simplify right side
    185,039.64x = 28,972,852,807.73
  5. Step 5: Solve for x
    x = 28,972,852,807.73/185,039.64
  6. Step 6: Final answer
    x = 156,576.47

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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.