Home / 186,636.72-257,561.46-101,755.20

Finding the Fourth Proportional to 186,636.72, 257,561.46 and 101,755.20

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Solution

The fourth proportional to 186,636.72, 257,561.46 and 101,755.20 is: 140,423.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,636.72 : 257,561.46 = 101,755.20 : x
  2. Step 2: Convert to fraction form
    186,636.72/257,561.46 = 101,755.20/x
  3. Step 3: Cross multiply
    186,636.72x = 257,561.46 × 101,755.20
  4. Step 4: Simplify right side
    186,636.72x = 26,208,217,874.59
  5. Step 5: Solve for x
    x = 26,208,217,874.59/186,636.72
  6. Step 6: Final answer
    x = 140,423.70

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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.