Home / 348,614.40-523,267.20-171,321.60

Finding the Fourth Proportional to 348,614.40, 523,267.20 and 171,321.60

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Solution

The fourth proportional to 348,614.40, 523,267.20 and 171,321.60 is: 257,152.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,614.40 : 523,267.20 = 171,321.60 : x
  2. Step 2: Convert to fraction form
    348,614.40/523,267.20 = 171,321.60/x
  3. Step 3: Cross multiply
    348,614.40x = 523,267.20 × 171,321.60
  4. Step 4: Simplify right side
    348,614.40x = 89,646,973,931.52
  5. Step 5: Solve for x
    x = 89,646,973,931.52/348,614.40
  6. Step 6: Final answer
    x = 257,152.24

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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.