Home / 152,911.41-211,010.44-84,932.70

Finding the Fourth Proportional to 152,911.41, 211,010.44 and 84,932.70

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Solution

The fourth proportional to 152,911.41, 211,010.44 and 84,932.70 is: 117,203.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,911.41 : 211,010.44 = 84,932.70 : x
  2. Step 2: Convert to fraction form
    152,911.41/211,010.44 = 84,932.70/x
  3. Step 3: Cross multiply
    152,911.41x = 211,010.44 × 84,932.70
  4. Step 4: Simplify right side
    152,911.41x = 17,921,686,397.39
  5. Step 5: Solve for x
    x = 17,921,686,397.39/152,911.41
  6. Step 6: Final answer
    x = 117,203.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.