Home / 114,647.12-158,213.60-66,245.16

Finding the Fourth Proportional to 114,647.12, 158,213.60 and 66,245.16

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Solution

The fourth proportional to 114,647.12, 158,213.60 and 66,245.16 is: 91,418.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,647.12 : 158,213.60 = 66,245.16 : x
  2. Step 2: Convert to fraction form
    114,647.12/158,213.60 = 66,245.16/x
  3. Step 3: Cross multiply
    114,647.12x = 158,213.60 × 66,245.16
  4. Step 4: Simplify right side
    114,647.12x = 10,480,885,246.18
  5. Step 5: Solve for x
    x = 10,480,885,246.18/114,647.12
  6. Step 6: Final answer
    x = 91,418.65

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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.