Home / 147,614.57-221,804.58-128,944.88

Finding the Fourth Proportional to 147,614.57, 221,804.58 and 128,944.88

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Solution

The fourth proportional to 147,614.57, 221,804.58 and 128,944.88 is: 193,751.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,614.57 : 221,804.58 = 128,944.88 : x
  2. Step 2: Convert to fraction form
    147,614.57/221,804.58 = 128,944.88/x
  3. Step 3: Cross multiply
    147,614.57x = 221,804.58 × 128,944.88
  4. Step 4: Simplify right side
    147,614.57x = 28,600,565,989.61
  5. Step 5: Solve for x
    x = 28,600,565,989.61/147,614.57
  6. Step 6: Final answer
    x = 193,751.64

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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.