Home / 354,621.60-531,932.40-144,410.40

Finding the Fourth Proportional to 354,621.60, 531,932.40 and 144,410.40

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Solution

The fourth proportional to 354,621.60, 531,932.40 and 144,410.40 is: 216,615.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,621.60 : 531,932.40 = 144,410.40 : x
  2. Step 2: Convert to fraction form
    354,621.60/531,932.40 = 144,410.40/x
  3. Step 3: Cross multiply
    354,621.60x = 531,932.40 × 144,410.40
  4. Step 4: Simplify right side
    354,621.60x = 76,816,570,656.96
  5. Step 5: Solve for x
    x = 76,816,570,656.96/354,621.60
  6. Step 6: Final answer
    x = 216,615.60

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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.