Home / 302,778.20-417,833.91-168,642.20

Finding the Fourth Proportional to 302,778.20, 417,833.91 and 168,642.20

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Solution

The fourth proportional to 302,778.20, 417,833.91 and 168,642.20 is: 232,726.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,778.20 : 417,833.91 = 168,642.20 : x
  2. Step 2: Convert to fraction form
    302,778.20/417,833.91 = 168,642.20/x
  3. Step 3: Cross multiply
    302,778.20x = 417,833.91 × 168,642.20
  4. Step 4: Simplify right side
    302,778.20x = 70,464,427,727.83
  5. Step 5: Solve for x
    x = 70,464,427,727.83/302,778.20
  6. Step 6: Final answer
    x = 232,726.23

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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.