Home / 116,436.66-160,588.60-78,184.68

Finding the Fourth Proportional to 116,436.66, 160,588.60 and 78,184.68

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Solution

The fourth proportional to 116,436.66, 160,588.60 and 78,184.68 is: 107,831.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,436.66 : 160,588.60 = 78,184.68 : x
  2. Step 2: Convert to fraction form
    116,436.66/160,588.60 = 78,184.68/x
  3. Step 3: Cross multiply
    116,436.66x = 160,588.60 × 78,184.68
  4. Step 4: Simplify right side
    116,436.66x = 12,555,568,302.65
  5. Step 5: Solve for x
    x = 12,555,568,302.65/116,436.66
  6. Step 6: Final answer
    x = 107,831.75

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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.