Home / 185,931.66-279,006.81-73,622.70

Finding the Fourth Proportional to 185,931.66, 279,006.81 and 73,622.70

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Solution

The fourth proportional to 185,931.66, 279,006.81 and 73,622.70 is: 110,477.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,931.66 : 279,006.81 = 73,622.70 : x
  2. Step 2: Convert to fraction form
    185,931.66/279,006.81 = 73,622.70/x
  3. Step 3: Cross multiply
    185,931.66x = 279,006.81 × 73,622.70
  4. Step 4: Simplify right side
    185,931.66x = 20,541,234,670.59
  5. Step 5: Solve for x
    x = 20,541,234,670.59/185,931.66
  6. Step 6: Final answer
    x = 110,477.34

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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.