Home / 319,179.11-478,838.75-94,557.13

Finding the Fourth Proportional to 319,179.11, 478,838.75 and 94,557.13

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Solution

The fourth proportional to 319,179.11, 478,838.75 and 94,557.13 is: 141,856.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,179.11 : 478,838.75 = 94,557.13 : x
  2. Step 2: Convert to fraction form
    319,179.11/478,838.75 = 94,557.13/x
  3. Step 3: Cross multiply
    319,179.11x = 478,838.75 × 94,557.13
  4. Step 4: Simplify right side
    319,179.11x = 45,277,619,488.26
  5. Step 5: Solve for x
    x = 45,277,619,488.26/319,179.11
  6. Step 6: Final answer
    x = 141,856.46

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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.