Home / 185,990.22-256,666.86-101,107.08

Finding the Fourth Proportional to 185,990.22, 256,666.86 and 101,107.08

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Solution

The fourth proportional to 185,990.22, 256,666.86 and 101,107.08 is: 139,527.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,990.22 : 256,666.86 = 101,107.08 : x
  2. Step 2: Convert to fraction form
    185,990.22/256,666.86 = 101,107.08/x
  3. Step 3: Cross multiply
    185,990.22x = 256,666.86 × 101,107.08
  4. Step 4: Simplify right side
    185,990.22x = 25,950,836,747.37
  5. Step 5: Solve for x
    x = 25,950,836,747.37/185,990.22
  6. Step 6: Final answer
    x = 139,527.96

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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.