Home / 330,831.20-456,533.88-179,928.32

Finding the Fourth Proportional to 330,831.20, 456,533.88 and 179,928.32

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Solution

The fourth proportional to 330,831.20, 456,533.88 and 179,928.32 is: 248,293.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,831.20 : 456,533.88 = 179,928.32 : x
  2. Step 2: Convert to fraction form
    330,831.20/456,533.88 = 179,928.32/x
  3. Step 3: Cross multiply
    330,831.20x = 456,533.88 × 179,928.32
  4. Step 4: Simplify right side
    330,831.20x = 82,143,374,051.48
  5. Step 5: Solve for x
    x = 82,143,374,051.48/330,831.20
  6. Step 6: Final answer
    x = 248,293.92

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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.