Home / 105,512.15-145,610.70-60,197.51

Finding the Fourth Proportional to 105,512.15, 145,610.70 and 60,197.51

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Solution

The fourth proportional to 105,512.15, 145,610.70 and 60,197.51 is: 83,074.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,512.15 : 145,610.70 = 60,197.51 : x
  2. Step 2: Convert to fraction form
    105,512.15/145,610.70 = 60,197.51/x
  3. Step 3: Cross multiply
    105,512.15x = 145,610.70 × 60,197.51
  4. Step 4: Simplify right side
    105,512.15x = 8,765,401,569.36
  5. Step 5: Solve for x
    x = 8,765,401,569.36/105,512.15
  6. Step 6: Final answer
    x = 83,074.81

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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.