Home / 112,274.13-168,532.52-99,873.57

Finding the Fourth Proportional to 112,274.13, 168,532.52 and 99,873.57

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Solution

The fourth proportional to 112,274.13, 168,532.52 and 99,873.57 is: 149,918.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,274.13 : 168,532.52 = 99,873.57 : x
  2. Step 2: Convert to fraction form
    112,274.13/168,532.52 = 99,873.57/x
  3. Step 3: Cross multiply
    112,274.13x = 168,532.52 × 99,873.57
  4. Step 4: Simplify right side
    112,274.13x = 16,831,943,934.13
  5. Step 5: Solve for x
    x = 16,831,943,934.13/112,274.13
  6. Step 6: Final answer
    x = 149,918.28

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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.