Home / 233,890.23-322,851.51-138,396.72

Finding the Fourth Proportional to 233,890.23, 322,851.51 and 138,396.72

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Solution

The fourth proportional to 233,890.23, 322,851.51 and 138,396.72 is: 191,036.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,890.23 : 322,851.51 = 138,396.72 : x
  2. Step 2: Convert to fraction form
    233,890.23/322,851.51 = 138,396.72/x
  3. Step 3: Cross multiply
    233,890.23x = 322,851.51 × 138,396.72
  4. Step 4: Simplify right side
    233,890.23x = 44,681,590,031.05
  5. Step 5: Solve for x
    x = 44,681,590,031.05/233,890.23
  6. Step 6: Final answer
    x = 191,036.58

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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.