Home / 134,513.79-201,672.27-45,743.46

Finding the Fourth Proportional to 134,513.79, 201,672.27 and 45,743.46

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Solution

The fourth proportional to 134,513.79, 201,672.27 and 45,743.46 is: 68,581.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,513.79 : 201,672.27 = 45,743.46 : x
  2. Step 2: Convert to fraction form
    134,513.79/201,672.27 = 45,743.46/x
  3. Step 3: Cross multiply
    134,513.79x = 201,672.27 × 45,743.46
  4. Step 4: Simplify right side
    134,513.79x = 9,225,187,415.85
  5. Step 5: Solve for x
    x = 9,225,187,415.85/134,513.79
  6. Step 6: Final answer
    x = 68,581.72

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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.