Home / 134,935.10-202,229.85-103,615.10

Finding the Fourth Proportional to 134,935.10, 202,229.85 and 103,615.10

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Solution

The fourth proportional to 134,935.10, 202,229.85 and 103,615.10 is: 155,289.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,935.10 : 202,229.85 = 103,615.10 : x
  2. Step 2: Convert to fraction form
    134,935.10/202,229.85 = 103,615.10/x
  3. Step 3: Cross multiply
    134,935.10x = 202,229.85 × 103,615.10
  4. Step 4: Simplify right side
    134,935.10x = 20,954,066,130.74
  5. Step 5: Solve for x
    x = 20,954,066,130.74/134,935.10
  6. Step 6: Final answer
    x = 155,289.96

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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.