Home / 456,231.90-684,283.05-156,726.30

Finding the Fourth Proportional to 456,231.90, 684,283.05 and 156,726.30

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Solution

The fourth proportional to 456,231.90, 684,283.05 and 156,726.30 is: 235,067.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,231.90 : 684,283.05 = 156,726.30 : x
  2. Step 2: Convert to fraction form
    456,231.90/684,283.05 = 156,726.30/x
  3. Step 3: Cross multiply
    456,231.90x = 684,283.05 × 156,726.30
  4. Step 4: Simplify right side
    456,231.90x = 107,245,150,579.22
  5. Step 5: Solve for x
    x = 107,245,150,579.22/456,231.90
  6. Step 6: Final answer
    x = 235,067.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.