Home / 290,077.49-400,358.07-182,681.21

Finding the Fourth Proportional to 290,077.49, 400,358.07 and 182,681.21

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Solution

The fourth proportional to 290,077.49, 400,358.07 and 182,681.21 is: 252,132.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,077.49 : 400,358.07 = 182,681.21 : x
  2. Step 2: Convert to fraction form
    290,077.49/400,358.07 = 182,681.21/x
  3. Step 3: Cross multiply
    290,077.49x = 400,358.07 × 182,681.21
  4. Step 4: Simplify right side
    290,077.49x = 73,137,894,659.07
  5. Step 5: Solve for x
    x = 73,137,894,659.07/290,077.49
  6. Step 6: Final answer
    x = 252,132.27

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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.