Home / 185,797.08-256,403.34-105,224.28

Finding the Fourth Proportional to 185,797.08, 256,403.34 and 105,224.28

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Solution

The fourth proportional to 185,797.08, 256,403.34 and 105,224.28 is: 145,211.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,797.08 : 256,403.34 = 105,224.28 : x
  2. Step 2: Convert to fraction form
    185,797.08/256,403.34 = 105,224.28/x
  3. Step 3: Cross multiply
    185,797.08x = 256,403.34 × 105,224.28
  4. Step 4: Simplify right side
    185,797.08x = 26,979,856,841.10
  5. Step 5: Solve for x
    x = 26,979,856,841.10/185,797.08
  6. Step 6: Final answer
    x = 145,211.41

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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.