Home / 134,491.70-201,679.23-45,721.40

Finding the Fourth Proportional to 134,491.70, 201,679.23 and 45,721.40

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Solution

The fourth proportional to 134,491.70, 201,679.23 and 45,721.40 is: 68,562.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,491.70 : 201,679.23 = 45,721.40 : x
  2. Step 2: Convert to fraction form
    134,491.70/201,679.23 = 45,721.40/x
  3. Step 3: Cross multiply
    134,491.70x = 201,679.23 × 45,721.40
  4. Step 4: Simplify right side
    134,491.70x = 9,221,056,746.52
  5. Step 5: Solve for x
    x = 9,221,056,746.52/134,491.70
  6. Step 6: Final answer
    x = 68,562.27

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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.