Home / 340,522.10-469,920.47-197,365.18

Finding the Fourth Proportional to 340,522.10, 469,920.47 and 197,365.18

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Solution

The fourth proportional to 340,522.10, 469,920.47 and 197,365.18 is: 272,363.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,522.10 : 469,920.47 = 197,365.18 : x
  2. Step 2: Convert to fraction form
    340,522.10/469,920.47 = 197,365.18/x
  3. Step 3: Cross multiply
    340,522.10x = 469,920.47 × 197,365.18
  4. Step 4: Simplify right side
    340,522.10x = 92,745,938,147.23
  5. Step 5: Solve for x
    x = 92,745,938,147.23/340,522.10
  6. Step 6: Final answer
    x = 272,363.93

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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.