Home / 233,985.72-322,918.67-138,545.04

Finding the Fourth Proportional to 233,985.72, 322,918.67 and 138,545.04

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Solution

The fourth proportional to 233,985.72, 322,918.67 and 138,545.04 is: 191,203.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,985.72 : 322,918.67 = 138,545.04 : x
  2. Step 2: Convert to fraction form
    233,985.72/322,918.67 = 138,545.04/x
  3. Step 3: Cross multiply
    233,985.72x = 322,918.67 × 138,545.04
  4. Step 4: Simplify right side
    233,985.72x = 44,738,780,051.90
  5. Step 5: Solve for x
    x = 44,738,780,051.90/233,985.72
  6. Step 6: Final answer
    x = 191,203.04

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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.