Home / 115,851.40-159,792.48-106,322.04

Finding the Fourth Proportional to 115,851.40, 159,792.48 and 106,322.04

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Solution

The fourth proportional to 115,851.40, 159,792.48 and 106,322.04 is: 146,648.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,851.40 : 159,792.48 = 106,322.04 : x
  2. Step 2: Convert to fraction form
    115,851.40/159,792.48 = 106,322.04/x
  3. Step 3: Cross multiply
    115,851.40x = 159,792.48 × 106,322.04
  4. Step 4: Simplify right side
    115,851.40x = 16,989,462,450.26
  5. Step 5: Solve for x
    x = 16,989,462,450.26/115,851.40
  6. Step 6: Final answer
    x = 146,648.75

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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.