Home / 107,130.15-160,713.68-43,984.64

Finding the Fourth Proportional to 107,130.15, 160,713.68 and 43,984.64

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Solution

The fourth proportional to 107,130.15, 160,713.68 and 43,984.64 is: 65,984.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,130.15 : 160,713.68 = 43,984.64 : x
  2. Step 2: Convert to fraction form
    107,130.15/160,713.68 = 43,984.64/x
  3. Step 3: Cross multiply
    107,130.15x = 160,713.68 × 43,984.64
  4. Step 4: Simplify right side
    107,130.15x = 7,068,932,334.38
  5. Step 5: Solve for x
    x = 7,068,932,334.38/107,130.15
  6. Step 6: Final answer
    x = 65,984.53

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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.