Home / 127,688.13-191,543.22-32,917.51

Finding the Fourth Proportional to 127,688.13, 191,543.22 and 32,917.51

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Solution

The fourth proportional to 127,688.13, 191,543.22 and 32,917.51 is: 49,379.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,688.13 : 191,543.22 = 32,917.51 : x
  2. Step 2: Convert to fraction form
    127,688.13/191,543.22 = 32,917.51/x
  3. Step 3: Cross multiply
    127,688.13x = 191,543.22 × 32,917.51
  4. Step 4: Simplify right side
    127,688.13x = 6,305,126,070.21
  5. Step 5: Solve for x
    x = 6,305,126,070.21/127,688.13
  6. Step 6: Final answer
    x = 49,379.11

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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.