Home / 179,345.53-247,488.85-102,809.76

Finding the Fourth Proportional to 179,345.53, 247,488.85 and 102,809.76

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Solution

The fourth proportional to 179,345.53, 247,488.85 and 102,809.76 is: 141,872.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,345.53 : 247,488.85 = 102,809.76 : x
  2. Step 2: Convert to fraction form
    179,345.53/247,488.85 = 102,809.76/x
  3. Step 3: Cross multiply
    179,345.53x = 247,488.85 × 102,809.76
  4. Step 4: Simplify right side
    179,345.53x = 25,444,269,271.18
  5. Step 5: Solve for x
    x = 25,444,269,271.18/179,345.53
  6. Step 6: Final answer
    x = 141,872.89

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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.