Home / 307,622.32-424,518.30-171,648.02

Finding the Fourth Proportional to 307,622.32, 424,518.30 and 171,648.02

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Solution

The fourth proportional to 307,622.32, 424,518.30 and 171,648.02 is: 236,873.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,622.32 : 424,518.30 = 171,648.02 : x
  2. Step 2: Convert to fraction form
    307,622.32/424,518.30 = 171,648.02/x
  3. Step 3: Cross multiply
    307,622.32x = 424,518.30 × 171,648.02
  4. Step 4: Simplify right side
    307,622.32x = 72,867,726,710.06
  5. Step 5: Solve for x
    x = 72,867,726,710.06/307,622.32
  6. Step 6: Final answer
    x = 236,873.99

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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.