Home / 315,622.20-473,433.30-197,657.40

Finding the Fourth Proportional to 315,622.20, 473,433.30 and 197,657.40

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Solution

The fourth proportional to 315,622.20, 473,433.30 and 197,657.40 is: 296,486.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,622.20 : 473,433.30 = 197,657.40 : x
  2. Step 2: Convert to fraction form
    315,622.20/473,433.30 = 197,657.40/x
  3. Step 3: Cross multiply
    315,622.20x = 473,433.30 × 197,657.40
  4. Step 4: Simplify right side
    315,622.20x = 93,577,595,151.42
  5. Step 5: Solve for x
    x = 93,577,595,151.42/315,622.20
  6. Step 6: Final answer
    x = 296,486.10

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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.