Home / 152,940.33-211,091.39-84,980.66

Finding the Fourth Proportional to 152,940.33, 211,091.39 and 84,980.66

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Solution

The fourth proportional to 152,940.33, 211,091.39 and 84,980.66 is: 117,292.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,940.33 : 211,091.39 = 84,980.66 : x
  2. Step 2: Convert to fraction form
    152,940.33/211,091.39 = 84,980.66/x
  3. Step 3: Cross multiply
    152,940.33x = 211,091.39 × 84,980.66
  4. Step 4: Simplify right side
    152,940.33x = 17,938,684,162.16
  5. Step 5: Solve for x
    x = 17,938,684,162.16/152,940.33
  6. Step 6: Final answer
    x = 117,292.05

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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.