Home / 315,624.20-473,436.30-197,659.40

Finding the Fourth Proportional to 315,624.20, 473,436.30 and 197,659.40

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Solution

The fourth proportional to 315,624.20, 473,436.30 and 197,659.40 is: 296,489.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,624.20 : 473,436.30 = 197,659.40 : x
  2. Step 2: Convert to fraction form
    315,624.20/473,436.30 = 197,659.40/x
  3. Step 3: Cross multiply
    315,624.20x = 473,436.30 × 197,659.40
  4. Step 4: Simplify right side
    315,624.20x = 93,579,134,996.22
  5. Step 5: Solve for x
    x = 93,579,134,996.22/315,624.20
  6. Step 6: Final answer
    x = 296,489.10

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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.