Home / 120,322.41-180,545.18-49,296.75

Finding the Fourth Proportional to 120,322.41, 180,545.18 and 49,296.75

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Solution

The fourth proportional to 120,322.41, 180,545.18 and 49,296.75 is: 73,970.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,322.41 : 180,545.18 = 49,296.75 : x
  2. Step 2: Convert to fraction form
    120,322.41/180,545.18 = 49,296.75/x
  3. Step 3: Cross multiply
    120,322.41x = 180,545.18 × 49,296.75
  4. Step 4: Simplify right side
    120,322.41x = 8,900,290,355.68
  5. Step 5: Solve for x
    x = 8,900,290,355.68/120,322.41
  6. Step 6: Final answer
    x = 73,970.35

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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.