Home / 140,667.63-211,019.97-45,864.52

Finding the Fourth Proportional to 140,667.63, 211,019.97 and 45,864.52

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Solution

The fourth proportional to 140,667.63, 211,019.97 and 45,864.52 is: 68,802.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,667.63 : 211,019.97 = 45,864.52 : x
  2. Step 2: Convert to fraction form
    140,667.63/211,019.97 = 45,864.52/x
  3. Step 3: Cross multiply
    140,667.63x = 211,019.97 × 45,864.52
  4. Step 4: Simplify right side
    140,667.63x = 9,678,329,405.14
  5. Step 5: Solve for x
    x = 9,678,329,405.14/140,667.63
  6. Step 6: Final answer
    x = 68,802.82

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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.