Home / 152,943.35-211,055.96-84,964.60

Finding the Fourth Proportional to 152,943.35, 211,055.96 and 84,964.60

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Solution

The fourth proportional to 152,943.35, 211,055.96 and 84,964.60 is: 117,247.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,943.35 : 211,055.96 = 84,964.60 : x
  2. Step 2: Convert to fraction form
    152,943.35/211,055.96 = 84,964.60/x
  3. Step 3: Cross multiply
    152,943.35x = 211,055.96 × 84,964.60
  4. Step 4: Simplify right side
    152,943.35x = 17,932,285,040.01
  5. Step 5: Solve for x
    x = 17,932,285,040.01/152,943.35
  6. Step 6: Final answer
    x = 117,247.89

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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.