Home / 120,152.54-180,117.30-57,002.33

Finding the Fourth Proportional to 120,152.54, 180,117.30 and 57,002.33

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Solution

The fourth proportional to 120,152.54, 180,117.30 and 57,002.33 is: 85,450.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,152.54 : 180,117.30 = 57,002.33 : x
  2. Step 2: Convert to fraction form
    120,152.54/180,117.30 = 57,002.33/x
  3. Step 3: Cross multiply
    120,152.54x = 180,117.30 × 57,002.33
  4. Step 4: Simplify right side
    120,152.54x = 10,267,105,773.31
  5. Step 5: Solve for x
    x = 10,267,105,773.31/120,152.54
  6. Step 6: Final answer
    x = 85,450.59

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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.