Home / 200,742.07-277,024.05-111,318.07

Finding the Fourth Proportional to 200,742.07, 277,024.05 and 111,318.07

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Solution

The fourth proportional to 200,742.07, 277,024.05 and 111,318.07 is: 153,618.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,742.07 : 277,024.05 = 111,318.07 : x
  2. Step 2: Convert to fraction form
    200,742.07/277,024.05 = 111,318.07/x
  3. Step 3: Cross multiply
    200,742.07x = 277,024.05 × 111,318.07
  4. Step 4: Simplify right side
    200,742.07x = 30,837,782,589.58
  5. Step 5: Solve for x
    x = 30,837,782,589.58/200,742.07
  6. Step 6: Final answer
    x = 153,618.93

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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.