Home / 134,155.34-201,275.13-55,306.70

Finding the Fourth Proportional to 134,155.34, 201,275.13 and 55,306.70

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Solution

The fourth proportional to 134,155.34, 201,275.13 and 55,306.70 is: 82,977.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,155.34 : 201,275.13 = 55,306.70 : x
  2. Step 2: Convert to fraction form
    134,155.34/201,275.13 = 55,306.70/x
  3. Step 3: Cross multiply
    134,155.34x = 201,275.13 × 55,306.70
  4. Step 4: Simplify right side
    134,155.34x = 11,131,863,232.37
  5. Step 5: Solve for x
    x = 11,131,863,232.37/134,155.34
  6. Step 6: Final answer
    x = 82,977.41

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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.