Home / 319,190.24-478,638.16-94,470.32

Finding the Fourth Proportional to 319,190.24, 478,638.16 and 94,470.32

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Solution

The fourth proportional to 319,190.24, 478,638.16 and 94,470.32 is: 141,661.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,190.24 : 478,638.16 = 94,470.32 : x
  2. Step 2: Convert to fraction form
    319,190.24/478,638.16 = 94,470.32/x
  3. Step 3: Cross multiply
    319,190.24x = 478,638.16 × 94,470.32
  4. Step 4: Simplify right side
    319,190.24x = 45,217,100,139.41
  5. Step 5: Solve for x
    x = 45,217,100,139.41/319,190.24
  6. Step 6: Final answer
    x = 141,661.91

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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.