Home / 111,379.35-167,069.03-64,140.15

Finding the Fourth Proportional to 111,379.35, 167,069.03 and 64,140.15

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Solution

The fourth proportional to 111,379.35, 167,069.03 and 64,140.15 is: 96,210.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,379.35 : 167,069.03 = 64,140.15 : x
  2. Step 2: Convert to fraction form
    111,379.35/167,069.03 = 64,140.15/x
  3. Step 3: Cross multiply
    111,379.35x = 167,069.03 × 64,140.15
  4. Step 4: Simplify right side
    111,379.35x = 10,715,832,323.85
  5. Step 5: Solve for x
    x = 10,715,832,323.85/111,379.35
  6. Step 6: Final answer
    x = 96,210.23

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1.5x scale

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.