Home / 117,320.44-175,881.78-79,775.32

Finding the Fourth Proportional to 117,320.44, 175,881.78 and 79,775.32

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Solution

The fourth proportional to 117,320.44, 175,881.78 and 79,775.32 is: 119,595.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,320.44 : 175,881.78 = 79,775.32 : x
  2. Step 2: Convert to fraction form
    117,320.44/175,881.78 = 79,775.32/x
  3. Step 3: Cross multiply
    117,320.44x = 175,881.78 × 79,775.32
  4. Step 4: Simplify right side
    117,320.44x = 14,031,025,281.67
  5. Step 5: Solve for x
    x = 14,031,025,281.67/117,320.44
  6. Step 6: Final answer
    x = 119,595.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.