Home / 202,174.35-278,999.81-111,535.95

Finding the Fourth Proportional to 202,174.35, 278,999.81 and 111,535.95

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Solution

The fourth proportional to 202,174.35, 278,999.81 and 111,535.95 is: 153,919.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,174.35 : 278,999.81 = 111,535.95 : x
  2. Step 2: Convert to fraction form
    202,174.35/278,999.81 = 111,535.95/x
  3. Step 3: Cross multiply
    202,174.35x = 278,999.81 × 111,535.95
  4. Step 4: Simplify right side
    202,174.35x = 31,118,508,300.49
  5. Step 5: Solve for x
    x = 31,118,508,300.49/202,174.35
  6. Step 6: Final answer
    x = 153,919.17

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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.