Home / 117,308.34-161,847.45-66,316.14

Finding the Fourth Proportional to 117,308.34, 161,847.45 and 66,316.14

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Solution

The fourth proportional to 117,308.34, 161,847.45 and 66,316.14 is: 91,494.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,308.34 : 161,847.45 = 66,316.14 : x
  2. Step 2: Convert to fraction form
    117,308.34/161,847.45 = 66,316.14/x
  3. Step 3: Cross multiply
    117,308.34x = 161,847.45 × 66,316.14
  4. Step 4: Simplify right side
    117,308.34x = 10,733,098,152.84
  5. Step 5: Solve for x
    x = 10,733,098,152.84/117,308.34
  6. Step 6: Final answer
    x = 91,494.76

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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.