Home / 114,171.69-157,588.63-66,434.29

Finding the Fourth Proportional to 114,171.69, 157,588.63 and 66,434.29

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Solution

The fourth proportional to 114,171.69, 157,588.63 and 66,434.29 is: 91,697.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,171.69 : 157,588.63 = 66,434.29 : x
  2. Step 2: Convert to fraction form
    114,171.69/157,588.63 = 66,434.29/x
  3. Step 3: Cross multiply
    114,171.69x = 157,588.63 × 66,434.29
  4. Step 4: Simplify right side
    114,171.69x = 10,469,288,746.12
  5. Step 5: Solve for x
    x = 10,469,288,746.12/114,171.69
  6. Step 6: Final answer
    x = 91,697.76

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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.