Home / 115,824.40-173,736.60-113,856.10

Finding the Fourth Proportional to 115,824.40, 173,736.60 and 113,856.10

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Solution

The fourth proportional to 115,824.40, 173,736.60 and 113,856.10 is: 170,784.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,824.40 : 173,736.60 = 113,856.10 : x
  2. Step 2: Convert to fraction form
    115,824.40/173,736.60 = 113,856.10/x
  3. Step 3: Cross multiply
    115,824.40x = 173,736.60 × 113,856.10
  4. Step 4: Simplify right side
    115,824.40x = 19,780,971,703.26
  5. Step 5: Solve for x
    x = 19,780,971,703.26/115,824.40
  6. Step 6: Final answer
    x = 170,784.15

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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.