Home / 228,432.50-315,226.63-126,450.75

Finding the Fourth Proportional to 228,432.50, 315,226.63 and 126,450.75

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Solution

The fourth proportional to 228,432.50, 315,226.63 and 126,450.75 is: 174,496.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,432.50 : 315,226.63 = 126,450.75 : x
  2. Step 2: Convert to fraction form
    228,432.50/315,226.63 = 126,450.75/x
  3. Step 3: Cross multiply
    228,432.50x = 315,226.63 × 126,450.75
  4. Step 4: Simplify right side
    228,432.50x = 39,860,643,783.47
  5. Step 5: Solve for x
    x = 39,860,643,783.47/228,432.50
  6. Step 6: Final answer
    x = 174,496.38

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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.