Home / 113,503.08-170,405.10-96,969.36

Finding the Fourth Proportional to 113,503.08, 170,405.10 and 96,969.36

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Solution

The fourth proportional to 113,503.08, 170,405.10 and 96,969.36 is: 145,582.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,503.08 : 170,405.10 = 96,969.36 : x
  2. Step 2: Convert to fraction form
    113,503.08/170,405.10 = 96,969.36/x
  3. Step 3: Cross multiply
    113,503.08x = 170,405.10 × 96,969.36
  4. Step 4: Simplify right side
    113,503.08x = 16,524,073,487.74
  5. Step 5: Solve for x
    x = 16,524,073,487.74/113,503.08
  6. Step 6: Final answer
    x = 145,582.60

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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.