Home / 265,612.32-398,201.28-123,546.16

Finding the Fourth Proportional to 265,612.32, 398,201.28 and 123,546.16

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Solution

The fourth proportional to 265,612.32, 398,201.28 and 123,546.16 is: 185,218.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,612.32 : 398,201.28 = 123,546.16 : x
  2. Step 2: Convert to fraction form
    265,612.32/398,201.28 = 123,546.16/x
  3. Step 3: Cross multiply
    265,612.32x = 398,201.28 × 123,546.16
  4. Step 4: Simplify right side
    265,612.32x = 49,196,239,051.08
  5. Step 5: Solve for x
    x = 49,196,239,051.08/265,612.32
  6. Step 6: Final answer
    x = 185,218.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.