Home / 102,335.29-153,519.36-43,179.67

Finding the Fourth Proportional to 102,335.29, 153,519.36 and 43,179.67

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Solution

The fourth proportional to 102,335.29, 153,519.36 and 43,179.67 is: 64,776.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,335.29 : 153,519.36 = 43,179.67 : x
  2. Step 2: Convert to fraction form
    102,335.29/153,519.36 = 43,179.67/x
  3. Step 3: Cross multiply
    102,335.29x = 153,519.36 × 43,179.67
  4. Step 4: Simplify right side
    102,335.29x = 6,628,915,303.41
  5. Step 5: Solve for x
    x = 6,628,915,303.41/102,335.29
  6. Step 6: Final answer
    x = 64,776.44

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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.