Home / 173,157.18-238,930.47-109,581.90

Finding the Fourth Proportional to 173,157.18, 238,930.47 and 109,581.90

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Solution

The fourth proportional to 173,157.18, 238,930.47 and 109,581.90 is: 151,206.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,157.18 : 238,930.47 = 109,581.90 : x
  2. Step 2: Convert to fraction form
    173,157.18/238,930.47 = 109,581.90/x
  3. Step 3: Cross multiply
    173,157.18x = 238,930.47 × 109,581.90
  4. Step 4: Simplify right side
    173,157.18x = 26,182,454,870.49
  5. Step 5: Solve for x
    x = 26,182,454,870.49/173,157.18
  6. Step 6: Final answer
    x = 151,206.29

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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.