Home / 188,547.75-260,197.11-103,667.85

Finding the Fourth Proportional to 188,547.75, 260,197.11 and 103,667.85

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Solution

The fourth proportional to 188,547.75, 260,197.11 and 103,667.85 is: 143,062.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,547.75 : 260,197.11 = 103,667.85 : x
  2. Step 2: Convert to fraction form
    188,547.75/260,197.11 = 103,667.85/x
  3. Step 3: Cross multiply
    188,547.75x = 260,197.11 × 103,667.85
  4. Step 4: Simplify right side
    188,547.75x = 26,974,074,969.91
  5. Step 5: Solve for x
    x = 26,974,074,969.91/188,547.75
  6. Step 6: Final answer
    x = 143,062.30

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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.