Home / 228,322.02-315,079.66-126,347.41

Finding the Fourth Proportional to 228,322.02, 315,079.66 and 126,347.41

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Solution

The fourth proportional to 228,322.02, 315,079.66 and 126,347.41 is: 174,356.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,322.02 : 315,079.66 = 126,347.41 : x
  2. Step 2: Convert to fraction form
    228,322.02/315,079.66 = 126,347.41/x
  3. Step 3: Cross multiply
    228,322.02x = 315,079.66 × 126,347.41
  4. Step 4: Simplify right side
    228,322.02x = 39,809,498,029.55
  5. Step 5: Solve for x
    x = 39,809,498,029.55/228,322.02
  6. Step 6: Final answer
    x = 174,356.81

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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.