Home / 194,803.10-292,003.05-105,868.70

Finding the Fourth Proportional to 194,803.10, 292,003.05 and 105,868.70

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Solution

The fourth proportional to 194,803.10, 292,003.05 and 105,868.70 is: 158,693.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,803.10 : 292,003.05 = 105,868.70 : x
  2. Step 2: Convert to fraction form
    194,803.10/292,003.05 = 105,868.70/x
  3. Step 3: Cross multiply
    194,803.10x = 292,003.05 × 105,868.70
  4. Step 4: Simplify right side
    194,803.10x = 30,913,983,299.54
  5. Step 5: Solve for x
    x = 30,913,983,299.54/194,803.10
  6. Step 6: Final answer
    x = 158,693.49

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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.