Home / 201,564.16-278,151.57-110,911.65

Finding the Fourth Proportional to 201,564.16, 278,151.57 and 110,911.65

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Solution

The fourth proportional to 201,564.16, 278,151.57 and 110,911.65 is: 153,054.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,564.16 : 278,151.57 = 110,911.65 : x
  2. Step 2: Convert to fraction form
    201,564.16/278,151.57 = 110,911.65/x
  3. Step 3: Cross multiply
    201,564.16x = 278,151.57 × 110,911.65
  4. Step 4: Simplify right side
    201,564.16x = 30,850,248,535.72
  5. Step 5: Solve for x
    x = 30,850,248,535.72/201,564.16
  6. Step 6: Final answer
    x = 153,054.23

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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.