Home / 114,351.32-157,881.83-71,396.21

Finding the Fourth Proportional to 114,351.32, 157,881.83 and 71,396.21

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Solution

The fourth proportional to 114,351.32, 157,881.83 and 71,396.21 is: 98,574.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,351.32 : 157,881.83 = 71,396.21 : x
  2. Step 2: Convert to fraction form
    114,351.32/157,881.83 = 71,396.21/x
  3. Step 3: Cross multiply
    114,351.32x = 157,881.83 × 71,396.21
  4. Step 4: Simplify right side
    114,351.32x = 11,272,164,289.86
  5. Step 5: Solve for x
    x = 11,272,164,289.86/114,351.32
  6. Step 6: Final answer
    x = 98,574.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.