Home / 307,054.06-423,728.22-171,087.46

Finding the Fourth Proportional to 307,054.06, 423,728.22 and 171,087.46

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Solution

The fourth proportional to 307,054.06, 423,728.22 and 171,087.46 is: 236,097.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,054.06 : 423,728.22 = 171,087.46 : x
  2. Step 2: Convert to fraction form
    307,054.06/423,728.22 = 171,087.46/x
  3. Step 3: Cross multiply
    307,054.06x = 423,728.22 × 171,087.46
  4. Step 4: Simplify right side
    307,054.06x = 72,494,584,890.12
  5. Step 5: Solve for x
    x = 72,494,584,890.12/307,054.06
  6. Step 6: Final answer
    x = 236,097.14

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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.