Home / 105,515.27-145,610.68-60,193.17

Finding the Fourth Proportional to 105,515.27, 145,610.68 and 60,193.17

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Solution

The fourth proportional to 105,515.27, 145,610.68 and 60,193.17 is: 83,066.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,515.27 : 145,610.68 = 60,193.17 : x
  2. Step 2: Convert to fraction form
    105,515.27/145,610.68 = 60,193.17/x
  3. Step 3: Cross multiply
    105,515.27x = 145,610.68 × 60,193.17
  4. Step 4: Simplify right side
    105,515.27x = 8,764,768,415.06
  5. Step 5: Solve for x
    x = 8,764,768,415.06/105,515.27
  6. Step 6: Final answer
    x = 83,066.35

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1.5x scale

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.