Home / 175,960.32-242,828.28-100,509.36

Finding the Fourth Proportional to 175,960.32, 242,828.28 and 100,509.36

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Solution

The fourth proportional to 175,960.32, 242,828.28 and 100,509.36 is: 138,704.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,960.32 : 242,828.28 = 100,509.36 : x
  2. Step 2: Convert to fraction form
    175,960.32/242,828.28 = 100,509.36/x
  3. Step 3: Cross multiply
    175,960.32x = 242,828.28 × 100,509.36
  4. Step 4: Simplify right side
    175,960.32x = 24,406,515,012.70
  5. Step 5: Solve for x
    x = 24,406,515,012.70/175,960.32
  6. Step 6: Final answer
    x = 138,704.65

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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.