Home / 228,192.09-314,916.18-126,217.14

Finding the Fourth Proportional to 228,192.09, 314,916.18 and 126,217.14

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Solution

The fourth proportional to 228,192.09, 314,916.18 and 126,217.14 is: 174,185.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,192.09 : 314,916.18 = 126,217.14 : x
  2. Step 2: Convert to fraction form
    228,192.09/314,916.18 = 126,217.14/x
  3. Step 3: Cross multiply
    228,192.09x = 314,916.18 × 126,217.14
  4. Step 4: Simplify right side
    228,192.09x = 39,747,819,579.33
  5. Step 5: Solve for x
    x = 39,747,819,579.33/228,192.09
  6. Step 6: Final answer
    x = 174,185.79

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1.5x scale

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.