Home / 228,104.16-314,778.84-126,133.92

Finding the Fourth Proportional to 228,104.16, 314,778.84 and 126,133.92

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Solution

The fourth proportional to 228,104.16, 314,778.84 and 126,133.92 is: 174,062.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,104.16 : 314,778.84 = 126,133.92 : x
  2. Step 2: Convert to fraction form
    228,104.16/314,778.84 = 126,133.92/x
  3. Step 3: Cross multiply
    228,104.16x = 314,778.84 × 126,133.92
  4. Step 4: Simplify right side
    228,104.16x = 39,704,289,022.25
  5. Step 5: Solve for x
    x = 39,704,289,022.25/228,104.16
  6. Step 6: Final answer
    x = 174,062.10

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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.