Home / 319,013.36-478,520.04-94,356.32

Finding the Fourth Proportional to 319,013.36, 478,520.04 and 94,356.32

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Solution

The fourth proportional to 319,013.36, 478,520.04 and 94,356.32 is: 141,534.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,013.36 : 478,520.04 = 94,356.32 : x
  2. Step 2: Convert to fraction form
    319,013.36/478,520.04 = 94,356.32/x
  3. Step 3: Cross multiply
    319,013.36x = 478,520.04 × 94,356.32
  4. Step 4: Simplify right side
    319,013.36x = 45,151,390,020.65
  5. Step 5: Solve for x
    x = 45,151,390,020.65/319,013.36
  6. Step 6: Final answer
    x = 141,534.48

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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.