Home / 228,121.18-314,809.27-126,153.50

Finding the Fourth Proportional to 228,121.18, 314,809.27 and 126,153.50

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Solution

The fourth proportional to 228,121.18, 314,809.27 and 126,153.50 is: 174,092.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,121.18 : 314,809.27 = 126,153.50 : x
  2. Step 2: Convert to fraction form
    228,121.18/314,809.27 = 126,153.50/x
  3. Step 3: Cross multiply
    228,121.18x = 314,809.27 × 126,153.50
  4. Step 4: Simplify right side
    228,121.18x = 39,714,292,029.97
  5. Step 5: Solve for x
    x = 39,714,292,029.97/228,121.18
  6. Step 6: Final answer
    x = 174,092.96

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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.