Home / 228,065.90-314,721.65-126,084.87

Finding the Fourth Proportional to 228,065.90, 314,721.65 and 126,084.87

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Solution

The fourth proportional to 228,065.90, 314,721.65 and 126,084.87 is: 173,991.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,065.90 : 314,721.65 = 126,084.87 : x
  2. Step 2: Convert to fraction form
    228,065.90/314,721.65 = 126,084.87/x
  3. Step 3: Cross multiply
    228,065.90x = 314,721.65 × 126,084.87
  4. Step 4: Simplify right side
    228,065.90x = 39,681,638,641.65
  5. Step 5: Solve for x
    x = 39,681,638,641.65/228,065.90
  6. Step 6: Final answer
    x = 173,991.99

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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.