Home / 116,115.60-160,252.74-65,141.94

Finding the Fourth Proportional to 116,115.60, 160,252.74 and 65,141.94

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Solution

The fourth proportional to 116,115.60, 160,252.74 and 65,141.94 is: 89,903.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,115.60 : 160,252.74 = 65,141.94 : x
  2. Step 2: Convert to fraction form
    116,115.60/160,252.74 = 65,141.94/x
  3. Step 3: Cross multiply
    116,115.60x = 160,252.74 × 65,141.94
  4. Step 4: Simplify right side
    116,115.60x = 10,439,174,373.92
  5. Step 5: Solve for x
    x = 10,439,174,373.92/116,115.60
  6. Step 6: Final answer
    x = 89,903.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.