Home / 185,063.21-277,709.02-72,723.70

Finding the Fourth Proportional to 185,063.21, 277,709.02 and 72,723.70

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Solution

The fourth proportional to 185,063.21, 277,709.02 and 72,723.70 is: 109,130.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,063.21 : 277,709.02 = 72,723.70 : x
  2. Step 2: Convert to fraction form
    185,063.21/277,709.02 = 72,723.70/x
  3. Step 3: Cross multiply
    185,063.21x = 277,709.02 × 72,723.70
  4. Step 4: Simplify right side
    185,063.21x = 20,196,026,581.69
  5. Step 5: Solve for x
    x = 20,196,026,581.69/185,063.21
  6. Step 6: Final answer
    x = 109,130.43

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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.