Home / 185,776.08-256,362.42-105,201.76

Finding the Fourth Proportional to 185,776.08, 256,362.42 and 105,201.76

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Solution

The fourth proportional to 185,776.08, 256,362.42 and 105,201.76 is: 145,173.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,776.08 : 256,362.42 = 105,201.76 : x
  2. Step 2: Convert to fraction form
    185,776.08/256,362.42 = 105,201.76/x
  3. Step 3: Cross multiply
    185,776.08x = 256,362.42 × 105,201.76
  4. Step 4: Simplify right side
    185,776.08x = 26,969,778,145.40
  5. Step 5: Solve for x
    x = 26,969,778,145.40/185,776.08
  6. Step 6: Final answer
    x = 145,173.58

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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.