Home / 127,177.64-190,799.72-73,818.32

Finding the Fourth Proportional to 127,177.64, 190,799.72 and 73,818.32

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Solution

The fourth proportional to 127,177.64, 190,799.72 and 73,818.32 is: 110,746.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,177.64 : 190,799.72 = 73,818.32 : x
  2. Step 2: Convert to fraction form
    127,177.64/190,799.72 = 73,818.32/x
  3. Step 3: Cross multiply
    127,177.64x = 190,799.72 × 73,818.32
  4. Step 4: Simplify right side
    127,177.64x = 14,084,514,786.87
  5. Step 5: Solve for x
    x = 14,084,514,786.87/127,177.64
  6. Step 6: Final answer
    x = 110,746.79

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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.