Home / 228,043.40-314,697.78-126,075.20

Finding the Fourth Proportional to 228,043.40, 314,697.78 and 126,075.20

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Solution

The fourth proportional to 228,043.40, 314,697.78 and 126,075.20 is: 173,982.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,043.40 : 314,697.78 = 126,075.20 : x
  2. Step 2: Convert to fraction form
    228,043.40/314,697.78 = 126,075.20/x
  3. Step 3: Cross multiply
    228,043.40x = 314,697.78 × 126,075.20
  4. Step 4: Simplify right side
    228,043.40x = 39,675,585,553.06
  5. Step 5: Solve for x
    x = 39,675,585,553.06/228,043.40
  6. Step 6: Final answer
    x = 173,982.61

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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.