Home / 116,531.36-160,814.40-66,230.72

Finding the Fourth Proportional to 116,531.36, 160,814.40 and 66,230.72

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Solution

The fourth proportional to 116,531.36, 160,814.40 and 66,230.72 is: 91,399.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,531.36 : 160,814.40 = 66,230.72 : x
  2. Step 2: Convert to fraction form
    116,531.36/160,814.40 = 66,230.72/x
  3. Step 3: Cross multiply
    116,531.36x = 160,814.40 × 66,230.72
  4. Step 4: Simplify right side
    116,531.36x = 10,650,853,498.37
  5. Step 5: Solve for x
    x = 10,650,853,498.37/116,531.36
  6. Step 6: Final answer
    x = 91,399.03

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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.