Home / 102,200.28-153,301.11-35,640.15

Finding the Fourth Proportional to 102,200.28, 153,301.11 and 35,640.15

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Solution

The fourth proportional to 102,200.28, 153,301.11 and 35,640.15 is: 53,460.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,200.28 : 153,301.11 = 35,640.15 : x
  2. Step 2: Convert to fraction form
    102,200.28/153,301.11 = 35,640.15/x
  3. Step 3: Cross multiply
    102,200.28x = 153,301.11 × 35,640.15
  4. Step 4: Simplify right side
    102,200.28x = 5,463,674,555.57
  5. Step 5: Solve for x
    x = 5,463,674,555.57/102,200.28
  6. Step 6: Final answer
    x = 53,460.47

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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.