Home / 158,981.76-238,457.28-48,174.72

Finding the Fourth Proportional to 158,981.76, 238,457.28 and 48,174.72

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Solution

The fourth proportional to 158,981.76, 238,457.28 and 48,174.72 is: 72,257.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,981.76 : 238,457.28 = 48,174.72 : x
  2. Step 2: Convert to fraction form
    158,981.76/238,457.28 = 48,174.72/x
  3. Step 3: Cross multiply
    158,981.76x = 238,457.28 × 48,174.72
  4. Step 4: Simplify right side
    158,981.76x = 11,487,612,695.96
  5. Step 5: Solve for x
    x = 11,487,612,695.96/158,981.76
  6. Step 6: Final answer
    x = 72,257.43

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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.