Home / 111,823.08-167,734.59-76,656.12

Finding the Fourth Proportional to 111,823.08, 167,734.59 and 76,656.12

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Solution

The fourth proportional to 111,823.08, 167,734.59 and 76,656.12 is: 114,984.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,823.08 : 167,734.59 = 76,656.12 : x
  2. Step 2: Convert to fraction form
    111,823.08/167,734.59 = 76,656.12/x
  3. Step 3: Cross multiply
    111,823.08x = 167,734.59 × 76,656.12
  4. Step 4: Simplify right side
    111,823.08x = 12,857,882,859.19
  5. Step 5: Solve for x
    x = 12,857,882,859.19/111,823.08
  6. Step 6: Final answer
    x = 114,984.16

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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.