Home / 106,831.14-160,133.72-40,242.47

Finding the Fourth Proportional to 106,831.14, 160,133.72 and 40,242.47

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Solution

The fourth proportional to 106,831.14, 160,133.72 and 40,242.47 is: 60,321.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,831.14 : 160,133.72 = 40,242.47 : x
  2. Step 2: Convert to fraction form
    106,831.14/160,133.72 = 40,242.47/x
  3. Step 3: Cross multiply
    106,831.14x = 160,133.72 × 40,242.47
  4. Step 4: Simplify right side
    106,831.14x = 6,444,175,421.21
  5. Step 5: Solve for x
    x = 6,444,175,421.21/106,831.14
  6. Step 6: Final answer
    x = 60,321.13

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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.