Home / 114,670.64-158,268.78-66,274.65

Finding the Fourth Proportional to 114,670.64, 158,268.78 and 66,274.65

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Solution

The fourth proportional to 114,670.64, 158,268.78 and 66,274.65 is: 91,472.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,670.64 : 158,268.78 = 66,274.65 : x
  2. Step 2: Convert to fraction form
    114,670.64/158,268.78 = 66,274.65/x
  3. Step 3: Cross multiply
    114,670.64x = 158,268.78 × 66,274.65
  4. Step 4: Simplify right side
    114,670.64x = 10,489,208,000.43
  5. Step 5: Solve for x
    x = 10,489,208,000.43/114,670.64
  6. Step 6: Final answer
    x = 91,472.48

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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.