Home / 175,909.08-242,796.78-100,501.32

Finding the Fourth Proportional to 175,909.08, 242,796.78 and 100,501.32

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Solution

The fourth proportional to 175,909.08, 242,796.78 and 100,501.32 is: 138,715.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,909.08 : 242,796.78 = 100,501.32 : x
  2. Step 2: Convert to fraction form
    175,909.08/242,796.78 = 100,501.32/x
  3. Step 3: Cross multiply
    175,909.08x = 242,796.78 × 100,501.32
  4. Step 4: Simplify right side
    175,909.08x = 24,401,396,881.75
  5. Step 5: Solve for x
    x = 24,401,396,881.75/175,909.08
  6. Step 6: Final answer
    x = 138,715.96

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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.