Home / 175,270.20-242,072.38-117,809.76

Finding the Fourth Proportional to 175,270.20, 242,072.38 and 117,809.76

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Solution

The fourth proportional to 175,270.20, 242,072.38 and 117,809.76 is: 162,711.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,270.20 : 242,072.38 = 117,809.76 : x
  2. Step 2: Convert to fraction form
    175,270.20/242,072.38 = 117,809.76/x
  3. Step 3: Cross multiply
    175,270.20x = 242,072.38 × 117,809.76
  4. Step 4: Simplify right side
    175,270.20x = 28,518,488,683.81
  5. Step 5: Solve for x
    x = 28,518,488,683.81/175,270.20
  6. Step 6: Final answer
    x = 162,711.57

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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.