Home / 319,130.36-478,697.09-94,495.04

Finding the Fourth Proportional to 319,130.36, 478,697.09 and 94,495.04

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Solution

The fourth proportional to 319,130.36, 478,697.09 and 94,495.04 is: 141,743.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,130.36 : 478,697.09 = 94,495.04 : x
  2. Step 2: Convert to fraction form
    319,130.36/478,697.09 = 94,495.04/x
  3. Step 3: Cross multiply
    319,130.36x = 478,697.09 × 94,495.04
  4. Step 4: Simplify right side
    319,130.36x = 45,234,500,128.12
  5. Step 5: Solve for x
    x = 45,234,500,128.12/319,130.36
  6. Step 6: Final answer
    x = 141,743.02

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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.