Home / 228,040.18-314,693.32-126,068.28

Finding the Fourth Proportional to 228,040.18, 314,693.32 and 126,068.28

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Solution

The fourth proportional to 228,040.18, 314,693.32 and 126,068.28 is: 173,973.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,040.18 : 314,693.32 = 126,068.28 : x
  2. Step 2: Convert to fraction form
    228,040.18/314,693.32 = 126,068.28/x
  3. Step 3: Cross multiply
    228,040.18x = 314,693.32 × 126,068.28
  4. Step 4: Simplify right side
    228,040.18x = 39,672,845,579.89
  5. Step 5: Solve for x
    x = 39,672,845,579.89/228,040.18
  6. Step 6: Final answer
    x = 173,973.05

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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.