Home / 147,074.76-220,940.10-90,956.16

Finding the Fourth Proportional to 147,074.76, 220,940.10 and 90,956.16

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Solution

The fourth proportional to 147,074.76, 220,940.10 and 90,956.16 is: 136,637.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,074.76 : 220,940.10 = 90,956.16 : x
  2. Step 2: Convert to fraction form
    147,074.76/220,940.10 = 90,956.16/x
  3. Step 3: Cross multiply
    147,074.76x = 220,940.10 × 90,956.16
  4. Step 4: Simplify right side
    147,074.76x = 20,095,863,086.02
  5. Step 5: Solve for x
    x = 20,095,863,086.02/147,074.76
  6. Step 6: Final answer
    x = 136,637.06

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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.