Home / 174,521.31-261,767.30-69,312.03

Finding the Fourth Proportional to 174,521.31, 261,767.30 and 69,312.03

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Solution

The fourth proportional to 174,521.31, 261,767.30 and 69,312.03 is: 103,962.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,521.31 : 261,767.30 = 69,312.03 : x
  2. Step 2: Convert to fraction form
    174,521.31/261,767.30 = 69,312.03/x
  3. Step 3: Cross multiply
    174,521.31x = 261,767.30 × 69,312.03
  4. Step 4: Simplify right side
    174,521.31x = 18,143,622,604.06
  5. Step 5: Solve for x
    x = 18,143,622,604.06/174,521.31
  6. Step 6: Final answer
    x = 103,962.22

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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.