Home / 140,988.56-211,488.12-52,264.40

Finding the Fourth Proportional to 140,988.56, 211,488.12 and 52,264.40

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Solution

The fourth proportional to 140,988.56, 211,488.12 and 52,264.40 is: 78,398.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,988.56 : 211,488.12 = 52,264.40 : x
  2. Step 2: Convert to fraction form
    140,988.56/211,488.12 = 52,264.40/x
  3. Step 3: Cross multiply
    140,988.56x = 211,488.12 × 52,264.40
  4. Step 4: Simplify right side
    140,988.56x = 11,053,299,698.93
  5. Step 5: Solve for x
    x = 11,053,299,698.93/140,988.56
  6. Step 6: Final answer
    x = 78,398.56

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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.