Home / 136,047.96-187,680.84-117,152.28

Finding the Fourth Proportional to 136,047.96, 187,680.84 and 117,152.28

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Solution

The fourth proportional to 136,047.96, 187,680.84 and 117,152.28 is: 161,613.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,047.96 : 187,680.84 = 117,152.28 : x
  2. Step 2: Convert to fraction form
    136,047.96/187,680.84 = 117,152.28/x
  3. Step 3: Cross multiply
    136,047.96x = 187,680.84 × 117,152.28
  4. Step 4: Simplify right side
    136,047.96x = 21,987,238,318.32
  5. Step 5: Solve for x
    x = 21,987,238,318.32/136,047.96
  6. Step 6: Final answer
    x = 161,613.88

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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.