Home / 176,930.40-265,395.60-137,515.80

Finding the Fourth Proportional to 176,930.40, 265,395.60 and 137,515.80

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Solution

The fourth proportional to 176,930.40, 265,395.60 and 137,515.80 is: 206,273.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,930.40 : 265,395.60 = 137,515.80 : x
  2. Step 2: Convert to fraction form
    176,930.40/265,395.60 = 137,515.80/x
  3. Step 3: Cross multiply
    176,930.40x = 265,395.60 × 137,515.80
  4. Step 4: Simplify right side
    176,930.40x = 36,496,088,250.48
  5. Step 5: Solve for x
    x = 36,496,088,250.48/176,930.40
  6. Step 6: Final answer
    x = 206,273.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.