Home / 228,850.24-315,823.32-126,869.21

Finding the Fourth Proportional to 228,850.24, 315,823.32 and 126,869.21

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Solution

The fourth proportional to 228,850.24, 315,823.32 and 126,869.21 is: 175,085.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,850.24 : 315,823.32 = 126,869.21 : x
  2. Step 2: Convert to fraction form
    228,850.24/315,823.32 = 126,869.21/x
  3. Step 3: Cross multiply
    228,850.24x = 315,823.32 × 126,869.21
  4. Step 4: Simplify right side
    228,850.24x = 40,068,255,107.98
  5. Step 5: Solve for x
    x = 40,068,255,107.98/228,850.24
  6. Step 6: Final answer
    x = 175,085.05

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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.