Home / 228,098.37-314,773.86-126,128.28

Finding the Fourth Proportional to 228,098.37, 314,773.86 and 126,128.28

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Solution

The fourth proportional to 228,098.37, 314,773.86 and 126,128.28 is: 174,055.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,098.37 : 314,773.86 = 126,128.28 : x
  2. Step 2: Convert to fraction form
    228,098.37/314,773.86 = 126,128.28/x
  3. Step 3: Cross multiply
    228,098.37x = 314,773.86 × 126,128.28
  4. Step 4: Simplify right side
    228,098.37x = 39,701,885,550.76
  5. Step 5: Solve for x
    x = 39,701,885,550.76/228,098.37
  6. Step 6: Final answer
    x = 174,055.98

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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.