Home / 101,204.80-139,674.93-58,763.34

Finding the Fourth Proportional to 101,204.80, 139,674.93 and 58,763.34

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Solution

The fourth proportional to 101,204.80, 139,674.93 and 58,763.34 is: 81,100.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,204.80 : 139,674.93 = 58,763.34 : x
  2. Step 2: Convert to fraction form
    101,204.80/139,674.93 = 58,763.34/x
  3. Step 3: Cross multiply
    101,204.80x = 139,674.93 × 58,763.34
  4. Step 4: Simplify right side
    101,204.80x = 8,207,765,401.07
  5. Step 5: Solve for x
    x = 8,207,765,401.07/101,204.80
  6. Step 6: Final answer
    x = 81,100.55

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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.