Home / 134,590.30-201,141.83-126,812.43

Finding the Fourth Proportional to 134,590.30, 201,141.83 and 126,812.43

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Solution

The fourth proportional to 134,590.30, 201,141.83 and 126,812.43 is: 189,518.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,590.30 : 201,141.83 = 126,812.43 : x
  2. Step 2: Convert to fraction form
    134,590.30/201,141.83 = 126,812.43/x
  3. Step 3: Cross multiply
    134,590.30x = 201,141.83 × 126,812.43
  4. Step 4: Simplify right side
    134,590.30x = 25,507,284,963.92
  5. Step 5: Solve for x
    x = 25,507,284,963.92/134,590.30
  6. Step 6: Final answer
    x = 189,518.01

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.