Home / 147,503.66-203,570.73-90,176.54

Finding the Fourth Proportional to 147,503.66, 203,570.73 and 90,176.54

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Solution

The fourth proportional to 147,503.66, 203,570.73 and 90,176.54 is: 124,453.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,503.66 : 203,570.73 = 90,176.54 : x
  2. Step 2: Convert to fraction form
    147,503.66/203,570.73 = 90,176.54/x
  3. Step 3: Cross multiply
    147,503.66x = 203,570.73 × 90,176.54
  4. Step 4: Simplify right side
    147,503.66x = 18,357,304,076.67
  5. Step 5: Solve for x
    x = 18,357,304,076.67/147,503.66
  6. Step 6: Final answer
    x = 124,453.21

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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.