Home / 186,103.05-279,269.37-86,244.63

Finding the Fourth Proportional to 186,103.05, 279,269.37 and 86,244.63

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Solution

The fourth proportional to 186,103.05, 279,269.37 and 86,244.63 is: 129,420.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,103.05 : 279,269.37 = 86,244.63 : x
  2. Step 2: Convert to fraction form
    186,103.05/279,269.37 = 86,244.63/x
  3. Step 3: Cross multiply
    186,103.05x = 279,269.37 × 86,244.63
  4. Step 4: Simplify right side
    186,103.05x = 24,085,483,485.98
  5. Step 5: Solve for x
    x = 24,085,483,485.98/186,103.05
  6. Step 6: Final answer
    x = 129,420.14

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1.5x scale

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.