Home / 228,041.18-314,694.70-126,069.28

Finding the Fourth Proportional to 228,041.18, 314,694.70 and 126,069.28

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Solution

The fourth proportional to 228,041.18, 314,694.70 and 126,069.28 is: 173,974.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,041.18 : 314,694.70 = 126,069.28 : x
  2. Step 2: Convert to fraction form
    228,041.18/314,694.70 = 126,069.28/x
  3. Step 3: Cross multiply
    228,041.18x = 314,694.70 × 126,069.28
  4. Step 4: Simplify right side
    228,041.18x = 39,673,334,248.82
  5. Step 5: Solve for x
    x = 39,673,334,248.82/228,041.18
  6. Step 6: Final answer
    x = 173,974.43

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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.