Home / 119,531.54-179,240.10-69,625.86

Finding the Fourth Proportional to 119,531.54, 179,240.10 and 69,625.86

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Solution

The fourth proportional to 119,531.54, 179,240.10 and 69,625.86 is: 104,405.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,531.54 : 179,240.10 = 69,625.86 : x
  2. Step 2: Convert to fraction form
    119,531.54/179,240.10 = 69,625.86/x
  3. Step 3: Cross multiply
    119,531.54x = 179,240.10 × 69,625.86
  4. Step 4: Simplify right side
    119,531.54x = 12,479,746,108.99
  5. Step 5: Solve for x
    x = 12,479,746,108.99/119,531.54
  6. Step 6: Final answer
    x = 104,405.47

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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.