Home / 355,328.20-532,992.30-236,355.40

Finding the Fourth Proportional to 355,328.20, 532,992.30 and 236,355.40

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Solution

The fourth proportional to 355,328.20, 532,992.30 and 236,355.40 is: 354,533.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,328.20 : 532,992.30 = 236,355.40 : x
  2. Step 2: Convert to fraction form
    355,328.20/532,992.30 = 236,355.40/x
  3. Step 3: Cross multiply
    355,328.20x = 532,992.30 × 236,355.40
  4. Step 4: Simplify right side
    355,328.20x = 125,975,608,263.42
  5. Step 5: Solve for x
    x = 125,975,608,263.42/355,328.20
  6. Step 6: Final answer
    x = 354,533.10

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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.