Home / 149,035.62-205,565.04-101,205.93

Finding the Fourth Proportional to 149,035.62, 205,565.04 and 101,205.93

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Solution

The fourth proportional to 149,035.62, 205,565.04 and 101,205.93 is: 139,593.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,035.62 : 205,565.04 = 101,205.93 : x
  2. Step 2: Convert to fraction form
    149,035.62/205,565.04 = 101,205.93/x
  3. Step 3: Cross multiply
    149,035.62x = 205,565.04 × 101,205.93
  4. Step 4: Simplify right side
    149,035.62x = 20,804,401,048.69
  5. Step 5: Solve for x
    x = 20,804,401,048.69/149,035.62
  6. Step 6: Final answer
    x = 139,593.48

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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.