Home / 107,322.40-161,137.20-60,666.40

Finding the Fourth Proportional to 107,322.40, 161,137.20 and 60,666.40

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Solution

The fourth proportional to 107,322.40, 161,137.20 and 60,666.40 is: 91,086.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,322.40 : 161,137.20 = 60,666.40 : x
  2. Step 2: Convert to fraction form
    107,322.40/161,137.20 = 60,666.40/x
  3. Step 3: Cross multiply
    107,322.40x = 161,137.20 × 60,666.40
  4. Step 4: Simplify right side
    107,322.40x = 9,775,613,830.08
  5. Step 5: Solve for x
    x = 9,775,613,830.08/107,322.40
  6. Step 6: Final answer
    x = 91,086.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.