Home / 220,024.80-303,623.78-135,125.46

Finding the Fourth Proportional to 220,024.80, 303,623.78 and 135,125.46

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Solution

The fourth proportional to 220,024.80, 303,623.78 and 135,125.46 is: 186,466.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,024.80 : 303,623.78 = 135,125.46 : x
  2. Step 2: Convert to fraction form
    220,024.80/303,623.78 = 135,125.46/x
  3. Step 3: Cross multiply
    220,024.80x = 303,623.78 × 135,125.46
  4. Step 4: Simplify right side
    220,024.80x = 41,027,302,263.81
  5. Step 5: Solve for x
    x = 41,027,302,263.81/220,024.80
  6. Step 6: Final answer
    x = 186,466.72

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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.