Home / 114,700.74-158,281.67-63,716.78

Finding the Fourth Proportional to 114,700.74, 158,281.67 and 63,716.78

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Solution

The fourth proportional to 114,700.74, 158,281.67 and 63,716.78 is: 87,926.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,700.74 : 158,281.67 = 63,716.78 : x
  2. Step 2: Convert to fraction form
    114,700.74/158,281.67 = 63,716.78/x
  3. Step 3: Cross multiply
    114,700.74x = 158,281.67 × 63,716.78
  4. Step 4: Simplify right side
    114,700.74x = 10,085,197,235.43
  5. Step 5: Solve for x
    x = 10,085,197,235.43/114,700.74
  6. Step 6: Final answer
    x = 87,926.17

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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.