Home / 186,143.77-279,215.70-130,093.36

Finding the Fourth Proportional to 186,143.77, 279,215.70 and 130,093.36

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Solution

The fourth proportional to 186,143.77, 279,215.70 and 130,093.36 is: 195,140.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,143.77 : 279,215.70 = 130,093.36 : x
  2. Step 2: Convert to fraction form
    186,143.77/279,215.70 = 130,093.36/x
  3. Step 3: Cross multiply
    186,143.77x = 279,215.70 × 130,093.36
  4. Step 4: Simplify right side
    186,143.77x = 36,324,108,577.75
  5. Step 5: Solve for x
    x = 36,324,108,577.75/186,143.77
  6. Step 6: Final answer
    x = 195,140.07

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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.