Home / 228,931.97-315,926.14-126,973.02

Finding the Fourth Proportional to 228,931.97, 315,926.14 and 126,973.02

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Solution

The fourth proportional to 228,931.97, 315,926.14 and 126,973.02 is: 175,222.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,931.97 : 315,926.14 = 126,973.02 : x
  2. Step 2: Convert to fraction form
    228,931.97/315,926.14 = 126,973.02/x
  3. Step 3: Cross multiply
    228,931.97x = 315,926.14 × 126,973.02
  4. Step 4: Simplify right side
    228,931.97x = 40,114,096,092.74
  5. Step 5: Solve for x
    x = 40,114,096,092.74/228,931.97
  6. Step 6: Final answer
    x = 175,222.78

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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.