Home / 185,837.60-256,427.16-109,395.20

Finding the Fourth Proportional to 185,837.60, 256,427.16 and 109,395.20

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Solution

The fourth proportional to 185,837.60, 256,427.16 and 109,395.20 is: 150,948.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,837.60 : 256,427.16 = 109,395.20 : x
  2. Step 2: Convert to fraction form
    185,837.60/256,427.16 = 109,395.20/x
  3. Step 3: Cross multiply
    185,837.60x = 256,427.16 × 109,395.20
  4. Step 4: Simplify right side
    185,837.60x = 28,051,900,453.63
  5. Step 5: Solve for x
    x = 28,051,900,453.63/185,837.60
  6. Step 6: Final answer
    x = 150,948.46

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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.