Home / 185,650.77-256,176.70-103,967.61

Finding the Fourth Proportional to 185,650.77, 256,176.70 and 103,967.61

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Solution

The fourth proportional to 185,650.77, 256,176.70 and 103,967.61 is: 143,463.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,650.77 : 256,176.70 = 103,967.61 : x
  2. Step 2: Convert to fraction form
    185,650.77/256,176.70 = 103,967.61/x
  3. Step 3: Cross multiply
    185,650.77x = 256,176.70 × 103,967.61
  4. Step 4: Simplify right side
    185,650.77x = 26,634,079,236.69
  5. Step 5: Solve for x
    x = 26,634,079,236.69/185,650.77
  6. Step 6: Final answer
    x = 143,463.34

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1.5x scale

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.