Home / 112,176.15-168,356.03-111,301.35

Finding the Fourth Proportional to 112,176.15, 168,356.03 and 111,301.35

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Solution

The fourth proportional to 112,176.15, 168,356.03 and 111,301.35 is: 167,043.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,176.15 : 168,356.03 = 111,301.35 : x
  2. Step 2: Convert to fraction form
    112,176.15/168,356.03 = 111,301.35/x
  3. Step 3: Cross multiply
    112,176.15x = 168,356.03 × 111,301.35
  4. Step 4: Simplify right side
    112,176.15x = 18,738,252,863.13
  5. Step 5: Solve for x
    x = 18,738,252,863.13/112,176.15
  6. Step 6: Final answer
    x = 167,043.11

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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.