Home / 114,869.19-158,519.58-63,880.81

Finding the Fourth Proportional to 114,869.19, 158,519.58 and 63,880.81

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Solution

The fourth proportional to 114,869.19, 158,519.58 and 63,880.81 is: 88,155.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,869.19 : 158,519.58 = 63,880.81 : x
  2. Step 2: Convert to fraction form
    114,869.19/158,519.58 = 63,880.81/x
  3. Step 3: Cross multiply
    114,869.19x = 158,519.58 × 63,880.81
  4. Step 4: Simplify right side
    114,869.19x = 10,126,359,171.26
  5. Step 5: Solve for x
    x = 10,126,359,171.26/114,869.19
  6. Step 6: Final answer
    x = 88,155.57

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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.