Home / 116,900.46-161,326.35-66,602.70

Finding the Fourth Proportional to 116,900.46, 161,326.35 and 66,602.70

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Solution

The fourth proportional to 116,900.46, 161,326.35 and 66,602.70 is: 91,913.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,900.46 : 161,326.35 = 66,602.70 : x
  2. Step 2: Convert to fraction form
    116,900.46/161,326.35 = 66,602.70/x
  3. Step 3: Cross multiply
    116,900.46x = 161,326.35 × 66,602.70
  4. Step 4: Simplify right side
    116,900.46x = 10,744,770,491.15
  5. Step 5: Solve for x
    x = 10,744,770,491.15/116,900.46
  6. Step 6: Final answer
    x = 91,913.84

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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.