Home / 180,644.31-270,598.19-85,586.36

Finding the Fourth Proportional to 180,644.31, 270,598.19 and 85,586.36

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Solution

The fourth proportional to 180,644.31, 270,598.19 and 85,586.36 is: 128,205.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,644.31 : 270,598.19 = 85,586.36 : x
  2. Step 2: Convert to fraction form
    180,644.31/270,598.19 = 85,586.36/x
  3. Step 3: Cross multiply
    180,644.31x = 270,598.19 × 85,586.36
  4. Step 4: Simplify right side
    180,644.31x = 23,159,512,323.77
  5. Step 5: Solve for x
    x = 23,159,512,323.77/180,644.31
  6. Step 6: Final answer
    x = 128,205.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.