Home / 114,731.48-158,245.16-66,981.98

Finding the Fourth Proportional to 114,731.48, 158,245.16 and 66,981.98

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Solution

The fourth proportional to 114,731.48, 158,245.16 and 66,981.98 is: 92,385.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,731.48 : 158,245.16 = 66,981.98 : x
  2. Step 2: Convert to fraction form
    114,731.48/158,245.16 = 66,981.98/x
  3. Step 3: Cross multiply
    114,731.48x = 158,245.16 × 66,981.98
  4. Step 4: Simplify right side
    114,731.48x = 10,599,574,142.22
  5. Step 5: Solve for x
    x = 10,599,574,142.22/114,731.48
  6. Step 6: Final answer
    x = 92,385.93

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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.