Home / 120,160.91-180,294.06-57,026.63

Finding the Fourth Proportional to 120,160.91, 180,294.06 and 57,026.63

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Solution

The fourth proportional to 120,160.91, 180,294.06 and 57,026.63 is: 85,564.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,160.91 : 180,294.06 = 57,026.63 : x
  2. Step 2: Convert to fraction form
    120,160.91/180,294.06 = 57,026.63/x
  3. Step 3: Cross multiply
    120,160.91x = 180,294.06 × 57,026.63
  4. Step 4: Simplify right side
    120,160.91x = 10,281,562,650.82
  5. Step 5: Solve for x
    x = 10,281,562,650.82/120,160.91
  6. Step 6: Final answer
    x = 85,564.95

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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.