Home / 306,976.14-423,658.26-171,032.22

Finding the Fourth Proportional to 306,976.14, 423,658.26 and 171,032.22

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Solution

The fourth proportional to 306,976.14, 423,658.26 and 171,032.22 is: 236,041.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,976.14 : 423,658.26 = 171,032.22 : x
  2. Step 2: Convert to fraction form
    306,976.14/423,658.26 = 171,032.22/x
  3. Step 3: Cross multiply
    306,976.14x = 423,658.26 × 171,032.22
  4. Step 4: Simplify right side
    306,976.14x = 72,459,212,729.14
  5. Step 5: Solve for x
    x = 72,459,212,729.14/306,976.14
  6. Step 6: Final answer
    x = 236,041.84

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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.