Home / 186,388.11-257,218.34-101,504.97

Finding the Fourth Proportional to 186,388.11, 257,218.34 and 101,504.97

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Solution

The fourth proportional to 186,388.11, 257,218.34 and 101,504.97 is: 140,078.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,388.11 : 257,218.34 = 101,504.97 : x
  2. Step 2: Convert to fraction form
    186,388.11/257,218.34 = 101,504.97/x
  3. Step 3: Cross multiply
    186,388.11x = 257,218.34 × 101,504.97
  4. Step 4: Simplify right side
    186,388.11x = 26,108,939,377.63
  5. Step 5: Solve for x
    x = 26,108,939,377.63/186,388.11
  6. Step 6: Final answer
    x = 140,078.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.