Home / 400,246.19-552,344.10-218,954.23

Finding the Fourth Proportional to 400,246.19, 552,344.10 and 218,954.23

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Solution

The fourth proportional to 400,246.19, 552,344.10 and 218,954.23 is: 302,159.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,246.19 : 552,344.10 = 218,954.23 : x
  2. Step 2: Convert to fraction form
    400,246.19/552,344.10 = 218,954.23/x
  3. Step 3: Cross multiply
    400,246.19x = 552,344.10 × 218,954.23
  4. Step 4: Simplify right side
    400,246.19x = 120,938,077,110.54
  5. Step 5: Solve for x
    x = 120,938,077,110.54/400,246.19
  6. Step 6: Final answer
    x = 302,159.22

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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.