Home / 137,050.99-189,188.66-83,353.25

Finding the Fourth Proportional to 137,050.99, 189,188.66 and 83,353.25

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Solution

The fourth proportional to 137,050.99, 189,188.66 and 83,353.25 is: 115,062.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,050.99 : 189,188.66 = 83,353.25 : x
  2. Step 2: Convert to fraction form
    137,050.99/189,188.66 = 83,353.25/x
  3. Step 3: Cross multiply
    137,050.99x = 189,188.66 × 83,353.25
  4. Step 4: Simplify right side
    137,050.99x = 15,769,490,355.50
  5. Step 5: Solve for x
    x = 15,769,490,355.50/137,050.99
  6. Step 6: Final answer
    x = 115,062.95

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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.