Home / 220,265.10-303,972.07-124,771.77

Finding the Fourth Proportional to 220,265.10, 303,972.07 and 124,771.77

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Solution

The fourth proportional to 220,265.10, 303,972.07 and 124,771.77 is: 172,188.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,265.10 : 303,972.07 = 124,771.77 : x
  2. Step 2: Convert to fraction form
    220,265.10/303,972.07 = 124,771.77/x
  3. Step 3: Cross multiply
    220,265.10x = 303,972.07 × 124,771.77
  4. Step 4: Simplify right side
    220,265.10x = 37,927,133,204.46
  5. Step 5: Solve for x
    x = 37,927,133,204.46/220,265.10
  6. Step 6: Final answer
    x = 172,188.57

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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.