Home / 212,605.97-293,398.20-117,113.04

Finding the Fourth Proportional to 212,605.97, 293,398.20 and 117,113.04

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Solution

The fourth proportional to 212,605.97, 293,398.20 and 117,113.04 is: 161,617.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,605.97 : 293,398.20 = 117,113.04 : x
  2. Step 2: Convert to fraction form
    212,605.97/293,398.20 = 117,113.04/x
  3. Step 3: Cross multiply
    212,605.97x = 293,398.20 × 117,113.04
  4. Step 4: Simplify right side
    212,605.97x = 34,360,755,132.53
  5. Step 5: Solve for x
    x = 34,360,755,132.53/212,605.97
  6. Step 6: Final answer
    x = 161,617.08

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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.