Home / 140,728.05-211,092.75-35,547.03

Finding the Fourth Proportional to 140,728.05, 211,092.75 and 35,547.03

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Solution

The fourth proportional to 140,728.05, 211,092.75 and 35,547.03 is: 53,320.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,728.05 : 211,092.75 = 35,547.03 : x
  2. Step 2: Convert to fraction form
    140,728.05/211,092.75 = 35,547.03/x
  3. Step 3: Cross multiply
    140,728.05x = 211,092.75 × 35,547.03
  4. Step 4: Simplify right side
    140,728.05x = 7,503,720,317.03
  5. Step 5: Solve for x
    x = 7,503,720,317.03/140,728.05
  6. Step 6: Final answer
    x = 53,320.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.