Home / 319,134.37-478,703.09-94,499.04

Finding the Fourth Proportional to 319,134.37, 478,703.09 and 94,499.04

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Solution

The fourth proportional to 319,134.37, 478,703.09 and 94,499.04 is: 141,749.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,134.37 : 478,703.09 = 94,499.04 : x
  2. Step 2: Convert to fraction form
    319,134.37/478,703.09 = 94,499.04/x
  3. Step 3: Cross multiply
    319,134.37x = 478,703.09 × 94,499.04
  4. Step 4: Simplify right side
    319,134.37x = 45,236,982,450.03
  5. Step 5: Solve for x
    x = 45,236,982,450.03/319,134.37
  6. Step 6: Final answer
    x = 141,749.01

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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.