Home / 114,817.92-158,434.56-66,428.16

Finding the Fourth Proportional to 114,817.92, 158,434.56 and 66,428.16

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Solution

The fourth proportional to 114,817.92, 158,434.56 and 66,428.16 is: 91,662.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,817.92 : 158,434.56 = 66,428.16 : x
  2. Step 2: Convert to fraction form
    114,817.92/158,434.56 = 66,428.16/x
  3. Step 3: Cross multiply
    114,817.92x = 158,434.56 × 66,428.16
  4. Step 4: Simplify right side
    114,817.92x = 10,524,516,301.21
  5. Step 5: Solve for x
    x = 10,524,516,301.21/114,817.92
  6. Step 6: Final answer
    x = 91,662.66

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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.