Home / 201,821.16-278,500.98-116,923.56

Finding the Fourth Proportional to 201,821.16, 278,500.98 and 116,923.56

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Solution

The fourth proportional to 201,821.16, 278,500.98 and 116,923.56 is: 161,347.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,821.16 : 278,500.98 = 116,923.56 : x
  2. Step 2: Convert to fraction form
    201,821.16/278,500.98 = 116,923.56/x
  3. Step 3: Cross multiply
    201,821.16x = 278,500.98 × 116,923.56
  4. Step 4: Simplify right side
    201,821.16x = 32,563,326,045.09
  5. Step 5: Solve for x
    x = 32,563,326,045.09/201,821.16
  6. Step 6: Final answer
    x = 161,347.43

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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.