Home / 114,680.13-158,256.07-63,690.02

Finding the Fourth Proportional to 114,680.13, 158,256.07 and 63,690.02

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Solution

The fourth proportional to 114,680.13, 158,256.07 and 63,690.02 is: 87,890.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,680.13 : 158,256.07 = 63,690.02 : x
  2. Step 2: Convert to fraction form
    114,680.13/158,256.07 = 63,690.02/x
  3. Step 3: Cross multiply
    114,680.13x = 158,256.07 × 63,690.02
  4. Step 4: Simplify right side
    114,680.13x = 10,079,332,263.42
  5. Step 5: Solve for x
    x = 10,079,332,263.42/114,680.13
  6. Step 6: Final answer
    x = 87,890.83

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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.