Home / 106,785.15-160,131.24-56,854.11

Finding the Fourth Proportional to 106,785.15, 160,131.24 and 56,854.11

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Solution

The fourth proportional to 106,785.15, 160,131.24 and 56,854.11 is: 85,256.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,785.15 : 160,131.24 = 56,854.11 : x
  2. Step 2: Convert to fraction form
    106,785.15/160,131.24 = 56,854.11/x
  3. Step 3: Cross multiply
    106,785.15x = 160,131.24 × 56,854.11
  4. Step 4: Simplify right side
    106,785.15x = 9,104,119,133.40
  5. Step 5: Solve for x
    x = 9,104,119,133.40/106,785.15
  6. Step 6: Final answer
    x = 85,256.42

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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.