Home / 185,998.37-256,697.82-105,417.25

Finding the Fourth Proportional to 185,998.37, 256,697.82 and 105,417.25

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Solution

The fourth proportional to 185,998.37, 256,697.82 and 105,417.25 is: 145,487.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,998.37 : 256,697.82 = 105,417.25 : x
  2. Step 2: Convert to fraction form
    185,998.37/256,697.82 = 105,417.25/x
  3. Step 3: Cross multiply
    185,998.37x = 256,697.82 × 105,417.25
  4. Step 4: Simplify right side
    185,998.37x = 27,060,377,623.65
  5. Step 5: Solve for x
    x = 27,060,377,623.65/185,998.37
  6. Step 6: Final answer
    x = 145,487.18

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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.