Home / 107,831.48-161,862.24-95,430.40

Finding the Fourth Proportional to 107,831.48, 161,862.24 and 95,430.40

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Solution

The fourth proportional to 107,831.48, 161,862.24 and 95,430.40 is: 143,247.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,831.48 : 161,862.24 = 95,430.40 : x
  2. Step 2: Convert to fraction form
    107,831.48/161,862.24 = 95,430.40/x
  3. Step 3: Cross multiply
    107,831.48x = 161,862.24 × 95,430.40
  4. Step 4: Simplify right side
    107,831.48x = 15,446,578,308.10
  5. Step 5: Solve for x
    x = 15,446,578,308.10/107,831.48
  6. Step 6: Final answer
    x = 143,247.39

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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.