Home / 127,240.96-190,717.44-64,779.52

Finding the Fourth Proportional to 127,240.96, 190,717.44 and 64,779.52

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Solution

The fourth proportional to 127,240.96, 190,717.44 and 64,779.52 is: 97,095.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,240.96 : 190,717.44 = 64,779.52 : x
  2. Step 2: Convert to fraction form
    127,240.96/190,717.44 = 64,779.52/x
  3. Step 3: Cross multiply
    127,240.96x = 190,717.44 × 64,779.52
  4. Step 4: Simplify right side
    127,240.96x = 12,354,584,218.83
  5. Step 5: Solve for x
    x = 12,354,584,218.83/127,240.96
  6. Step 6: Final answer
    x = 97,095.97

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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.