Home / 185,622.08-256,159.32-100,739.24

Finding the Fourth Proportional to 185,622.08, 256,159.32 and 100,739.24

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Solution

The fourth proportional to 185,622.08, 256,159.32 and 100,739.24 is: 139,020.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,622.08 : 256,159.32 = 100,739.24 : x
  2. Step 2: Convert to fraction form
    185,622.08/256,159.32 = 100,739.24/x
  3. Step 3: Cross multiply
    185,622.08x = 256,159.32 × 100,739.24
  4. Step 4: Simplify right side
    185,622.08x = 25,805,295,215.72
  5. Step 5: Solve for x
    x = 25,805,295,215.72/185,622.08
  6. Step 6: Final answer
    x = 139,020.61

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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.