Home / 140,788.08-211,185.36-47,294.64

Finding the Fourth Proportional to 140,788.08, 211,185.36 and 47,294.64

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Solution

The fourth proportional to 140,788.08, 211,185.36 and 47,294.64 is: 70,943.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,788.08 : 211,185.36 = 47,294.64 : x
  2. Step 2: Convert to fraction form
    140,788.08/211,185.36 = 47,294.64/x
  3. Step 3: Cross multiply
    140,788.08x = 211,185.36 × 47,294.64
  4. Step 4: Simplify right side
    140,788.08x = 9,987,935,574.47
  5. Step 5: Solve for x
    x = 9,987,935,574.47/140,788.08
  6. Step 6: Final answer
    x = 70,943.05

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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.