Home / 140,731.61-211,119.28-47,259.23

Finding the Fourth Proportional to 140,731.61, 211,119.28 and 47,259.23

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Solution

The fourth proportional to 140,731.61, 211,119.28 and 47,259.23 is: 70,896.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,731.61 : 211,119.28 = 47,259.23 : x
  2. Step 2: Convert to fraction form
    140,731.61/211,119.28 = 47,259.23/x
  3. Step 3: Cross multiply
    140,731.61x = 211,119.28 × 47,259.23
  4. Step 4: Simplify right side
    140,731.61x = 9,977,333,437.21
  5. Step 5: Solve for x
    x = 9,977,333,437.21/140,731.61
  6. Step 6: Final answer
    x = 70,896.18

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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.