Home / 340,823.55-470,281.19-197,555.61

Finding the Fourth Proportional to 340,823.55, 470,281.19 and 197,555.61

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Solution

The fourth proportional to 340,823.55, 470,281.19 and 197,555.61 is: 272,594.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,823.55 : 470,281.19 = 197,555.61 : x
  2. Step 2: Convert to fraction form
    340,823.55/470,281.19 = 197,555.61/x
  3. Step 3: Cross multiply
    340,823.55x = 470,281.19 × 197,555.61
  4. Step 4: Simplify right side
    340,823.55x = 92,906,686,374.20
  5. Step 5: Solve for x
    x = 92,906,686,374.20/340,823.55
  6. Step 6: Final answer
    x = 272,594.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.