Home / 127,681.48-191,403.04-43,383.96

Finding the Fourth Proportional to 127,681.48, 191,403.04 and 43,383.96

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Solution

The fourth proportional to 127,681.48, 191,403.04 and 43,383.96 is: 65,035.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,681.48 : 191,403.04 = 43,383.96 : x
  2. Step 2: Convert to fraction form
    127,681.48/191,403.04 = 43,383.96/x
  3. Step 3: Cross multiply
    127,681.48x = 191,403.04 × 43,383.96
  4. Step 4: Simplify right side
    127,681.48x = 8,303,821,831.24
  5. Step 5: Solve for x
    x = 8,303,821,831.24/127,681.48
  6. Step 6: Final answer
    x = 65,035.44

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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.