Home / 175,749.72-242,551.98-100,309.56

Finding the Fourth Proportional to 175,749.72, 242,551.98 and 100,309.56

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Solution

The fourth proportional to 175,749.72, 242,551.98 and 100,309.56 is: 138,437.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,749.72 : 242,551.98 = 100,309.56 : x
  2. Step 2: Convert to fraction form
    175,749.72/242,551.98 = 100,309.56/x
  3. Step 3: Cross multiply
    175,749.72x = 242,551.98 × 100,309.56
  4. Step 4: Simplify right side
    175,749.72x = 24,330,282,390.93
  5. Step 5: Solve for x
    x = 24,330,282,390.93/175,749.72
  6. Step 6: Final answer
    x = 138,437.10

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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.