Home / 134,942.10-202,240.35-103,622.10

Finding the Fourth Proportional to 134,942.10, 202,240.35 and 103,622.10

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Solution

The fourth proportional to 134,942.10, 202,240.35 and 103,622.10 is: 155,300.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,942.10 : 202,240.35 = 103,622.10 : x
  2. Step 2: Convert to fraction form
    134,942.10/202,240.35 = 103,622.10/x
  3. Step 3: Cross multiply
    134,942.10x = 202,240.35 × 103,622.10
  4. Step 4: Simplify right side
    134,942.10x = 20,956,569,771.74
  5. Step 5: Solve for x
    x = 20,956,569,771.74/134,942.10
  6. Step 6: Final answer
    x = 155,300.46

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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.