Home / 186,200.10-279,300.15-119,715.30

Finding the Fourth Proportional to 186,200.10, 279,300.15 and 119,715.30

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Solution

The fourth proportional to 186,200.10, 279,300.15 and 119,715.30 is: 179,572.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,200.10 : 279,300.15 = 119,715.30 : x
  2. Step 2: Convert to fraction form
    186,200.10/279,300.15 = 119,715.30/x
  3. Step 3: Cross multiply
    186,200.10x = 279,300.15 × 119,715.30
  4. Step 4: Simplify right side
    186,200.10x = 33,436,501,247.30
  5. Step 5: Solve for x
    x = 33,436,501,247.30/186,200.10
  6. Step 6: Final answer
    x = 179,572.95

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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.