Home / 111,920.16-167,774.70-55,707.12

Finding the Fourth Proportional to 111,920.16, 167,774.70 and 55,707.12

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Solution

The fourth proportional to 111,920.16, 167,774.70 and 55,707.12 is: 83,508.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,920.16 : 167,774.70 = 55,707.12 : x
  2. Step 2: Convert to fraction form
    111,920.16/167,774.70 = 55,707.12/x
  3. Step 3: Cross multiply
    111,920.16x = 167,774.70 × 55,707.12
  4. Step 4: Simplify right side
    111,920.16x = 9,346,245,345.86
  5. Step 5: Solve for x
    x = 9,346,245,345.86/111,920.16
  6. Step 6: Final answer
    x = 83,508.15

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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.