Home / 340,394.23-469,807.02-197,154.22

Finding the Fourth Proportional to 340,394.23, 469,807.02 and 197,154.22

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Solution

The fourth proportional to 340,394.23, 469,807.02 and 197,154.22 is: 272,109.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,394.23 : 469,807.02 = 197,154.22 : x
  2. Step 2: Convert to fraction form
    340,394.23/469,807.02 = 197,154.22/x
  3. Step 3: Cross multiply
    340,394.23x = 469,807.02 × 197,154.22
  4. Step 4: Simplify right side
    340,394.23x = 92,624,436,578.62
  5. Step 5: Solve for x
    x = 92,624,436,578.62/340,394.23
  6. Step 6: Final answer
    x = 272,109.30

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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.