Home / 115,507.43-173,159.93-55,506.03

Finding the Fourth Proportional to 115,507.43, 173,159.93 and 55,506.03

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Solution

The fourth proportional to 115,507.43, 173,159.93 and 55,506.03 is: 83,210.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,507.43 : 173,159.93 = 55,506.03 : x
  2. Step 2: Convert to fraction form
    115,507.43/173,159.93 = 55,506.03/x
  3. Step 3: Cross multiply
    115,507.43x = 173,159.93 × 55,506.03
  4. Step 4: Simplify right side
    115,507.43x = 9,611,419,558.95
  5. Step 5: Solve for x
    x = 9,611,419,558.95/115,507.43
  6. Step 6: Final answer
    x = 83,210.40

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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.