Home / 186,639.68-257,556.24-101,755.04

Finding the Fourth Proportional to 186,639.68, 257,556.24 and 101,755.04

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Solution

The fourth proportional to 186,639.68, 257,556.24 and 101,755.04 is: 140,418.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,639.68 : 257,556.24 = 101,755.04 : x
  2. Step 2: Convert to fraction form
    186,639.68/257,556.24 = 101,755.04/x
  3. Step 3: Cross multiply
    186,639.68x = 257,556.24 × 101,755.04
  4. Step 4: Simplify right side
    186,639.68x = 26,207,645,503.45
  5. Step 5: Solve for x
    x = 26,207,645,503.45/186,639.68
  6. Step 6: Final answer
    x = 140,418.40

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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.