Home / 131,006.95-180,794.68-73,647.41

Finding the Fourth Proportional to 131,006.95, 180,794.68 and 73,647.41

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Solution

The fourth proportional to 131,006.95, 180,794.68 and 73,647.41 is: 101,636.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,006.95 : 180,794.68 = 73,647.41 : x
  2. Step 2: Convert to fraction form
    131,006.95/180,794.68 = 73,647.41/x
  3. Step 3: Cross multiply
    131,006.95x = 180,794.68 × 73,647.41
  4. Step 4: Simplify right side
    131,006.95x = 13,315,059,923.78
  5. Step 5: Solve for x
    x = 13,315,059,923.78/131,006.95
  6. Step 6: Final answer
    x = 101,636.29

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1.5x scale

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.