Home / 186,529.60-279,813.30-60,137.20

Finding the Fourth Proportional to 186,529.60, 279,813.30 and 60,137.20

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Solution

The fourth proportional to 186,529.60, 279,813.30 and 60,137.20 is: 90,211.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,529.60 : 279,813.30 = 60,137.20 : x
  2. Step 2: Convert to fraction form
    186,529.60/279,813.30 = 60,137.20/x
  3. Step 3: Cross multiply
    186,529.60x = 279,813.30 × 60,137.20
  4. Step 4: Simplify right side
    186,529.60x = 16,827,188,384.76
  5. Step 5: Solve for x
    x = 16,827,188,384.76/186,529.60
  6. Step 6: Final answer
    x = 90,211.89

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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.