Home / 127,180.32-190,746.72-48,268.32

Finding the Fourth Proportional to 127,180.32, 190,746.72 and 48,268.32

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Solution

The fourth proportional to 127,180.32, 190,746.72 and 48,268.32 is: 72,393.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,180.32 : 190,746.72 = 48,268.32 : x
  2. Step 2: Convert to fraction form
    127,180.32/190,746.72 = 48,268.32/x
  3. Step 3: Cross multiply
    127,180.32x = 190,746.72 × 48,268.32
  4. Step 4: Simplify right side
    127,180.32x = 9,207,023,719.91
  5. Step 5: Solve for x
    x = 9,207,023,719.91/127,180.32
  6. Step 6: Final answer
    x = 72,393.46

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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.