Home / 158,803.46-219,002.50-107,892.39

Finding the Fourth Proportional to 158,803.46, 219,002.50 and 107,892.39

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Solution

The fourth proportional to 158,803.46, 219,002.50 and 107,892.39 is: 148,792.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,803.46 : 219,002.50 = 107,892.39 : x
  2. Step 2: Convert to fraction form
    158,803.46/219,002.50 = 107,892.39/x
  3. Step 3: Cross multiply
    158,803.46x = 219,002.50 × 107,892.39
  4. Step 4: Simplify right side
    158,803.46x = 23,628,703,140.98
  5. Step 5: Solve for x
    x = 23,628,703,140.98/158,803.46
  6. Step 6: Final answer
    x = 148,792.12

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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.