Home / 217,259.10-325,499.85-186,155.10

Finding the Fourth Proportional to 217,259.10, 325,499.85 and 186,155.10

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Solution

The fourth proportional to 217,259.10, 325,499.85 and 186,155.10 is: 278,899.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,259.10 : 325,499.85 = 186,155.10 : x
  2. Step 2: Convert to fraction form
    217,259.10/325,499.85 = 186,155.10/x
  3. Step 3: Cross multiply
    217,259.10x = 325,499.85 × 186,155.10
  4. Step 4: Simplify right side
    217,259.10x = 60,593,457,126.74
  5. Step 5: Solve for x
    x = 60,593,457,126.74/217,259.10
  6. Step 6: Final answer
    x = 278,899.51

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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.