Home / 186,631.56-279,459.38-102,216.13

Finding the Fourth Proportional to 186,631.56, 279,459.38 and 102,216.13

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Solution

The fourth proportional to 186,631.56, 279,459.38 and 102,216.13 is: 153,056.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,631.56 : 279,459.38 = 102,216.13 : x
  2. Step 2: Convert to fraction form
    186,631.56/279,459.38 = 102,216.13/x
  3. Step 3: Cross multiply
    186,631.56x = 279,459.38 × 102,216.13
  4. Step 4: Simplify right side
    186,631.56x = 28,565,255,872.69
  5. Step 5: Solve for x
    x = 28,565,255,872.69/186,631.56
  6. Step 6: Final answer
    x = 153,056.94

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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.