Home / 147,403.46-220,664.54-90,297.47

Finding the Fourth Proportional to 147,403.46, 220,664.54 and 90,297.47

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Solution

The fourth proportional to 147,403.46, 220,664.54 and 90,297.47 is: 135,176.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,403.46 : 220,664.54 = 90,297.47 : x
  2. Step 2: Convert to fraction form
    147,403.46/220,664.54 = 90,297.47/x
  3. Step 3: Cross multiply
    147,403.46x = 220,664.54 × 90,297.47
  4. Step 4: Simplify right side
    147,403.46x = 19,925,450,020.83
  5. Step 5: Solve for x
    x = 19,925,450,020.83/147,403.46
  6. Step 6: Final answer
    x = 135,176.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.