Home / 127,826.40-191,739.60-96,722.40

Finding the Fourth Proportional to 127,826.40, 191,739.60 and 96,722.40

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Solution

The fourth proportional to 127,826.40, 191,739.60 and 96,722.40 is: 145,083.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,826.40 : 191,739.60 = 96,722.40 : x
  2. Step 2: Convert to fraction form
    127,826.40/191,739.60 = 96,722.40/x
  3. Step 3: Cross multiply
    127,826.40x = 191,739.60 × 96,722.40
  4. Step 4: Simplify right side
    127,826.40x = 18,545,514,287.04
  5. Step 5: Solve for x
    x = 18,545,514,287.04/127,826.40
  6. Step 6: Final answer
    x = 145,083.60

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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.