Home / 157,282.72-235,757.91-112,885.41

Finding the Fourth Proportional to 157,282.72, 235,757.91 and 112,885.41

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Solution

The fourth proportional to 157,282.72, 235,757.91 and 112,885.41 is: 169,208.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,282.72 : 235,757.91 = 112,885.41 : x
  2. Step 2: Convert to fraction form
    157,282.72/235,757.91 = 112,885.41/x
  3. Step 3: Cross multiply
    157,282.72x = 235,757.91 × 112,885.41
  4. Step 4: Simplify right side
    157,282.72x = 26,613,628,331.09
  5. Step 5: Solve for x
    x = 26,613,628,331.09/157,282.72
  6. Step 6: Final answer
    x = 169,208.85

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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.