Home / 228,929.67-315,921.36-126,955.04

Finding the Fourth Proportional to 228,929.67, 315,921.36 and 126,955.04

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Solution

The fourth proportional to 228,929.67, 315,921.36 and 126,955.04 is: 175,197.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,929.67 : 315,921.36 = 126,955.04 : x
  2. Step 2: Convert to fraction form
    228,929.67/315,921.36 = 126,955.04/x
  3. Step 3: Cross multiply
    228,929.67x = 315,921.36 × 126,955.04
  4. Step 4: Simplify right side
    228,929.67x = 40,107,807,316.05
  5. Step 5: Solve for x
    x = 40,107,807,316.05/228,929.67
  6. Step 6: Final answer
    x = 175,197.07

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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.