Home / 185,655.75-256,205.25-100,772.82

Finding the Fourth Proportional to 185,655.75, 256,205.25 and 100,772.82

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Solution

The fourth proportional to 185,655.75, 256,205.25 and 100,772.82 is: 139,066.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,655.75 : 256,205.25 = 100,772.82 : x
  2. Step 2: Convert to fraction form
    185,655.75/256,205.25 = 100,772.82/x
  3. Step 3: Cross multiply
    185,655.75x = 256,205.25 × 100,772.82
  4. Step 4: Simplify right side
    185,655.75x = 25,818,525,541.31
  5. Step 5: Solve for x
    x = 25,818,525,541.31/185,655.75
  6. Step 6: Final answer
    x = 139,066.66

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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.