Home / 136,820.67-205,324.43-48,074.18

Finding the Fourth Proportional to 136,820.67, 205,324.43 and 48,074.18

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Solution

The fourth proportional to 136,820.67, 205,324.43 and 48,074.18 is: 72,144.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,820.67 : 205,324.43 = 48,074.18 : x
  2. Step 2: Convert to fraction form
    136,820.67/205,324.43 = 48,074.18/x
  3. Step 3: Cross multiply
    136,820.67x = 205,324.43 × 48,074.18
  4. Step 4: Simplify right side
    136,820.67x = 9,870,804,206.86
  5. Step 5: Solve for x
    x = 9,870,804,206.86/136,820.67
  6. Step 6: Final answer
    x = 72,144.10

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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.