Home / 239,116.44-329,981.64-143,624.76

Finding the Fourth Proportional to 239,116.44, 329,981.64 and 143,624.76

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Solution

The fourth proportional to 239,116.44, 329,981.64 and 143,624.76 is: 198,202.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,116.44 : 329,981.64 = 143,624.76 : x
  2. Step 2: Convert to fraction form
    239,116.44/329,981.64 = 143,624.76/x
  3. Step 3: Cross multiply
    239,116.44x = 329,981.64 × 143,624.76
  4. Step 4: Simplify right side
    239,116.44x = 47,393,533,849.41
  5. Step 5: Solve for x
    x = 47,393,533,849.41/239,116.44
  6. Step 6: Final answer
    x = 198,202.74

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1.5x scale

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.