Home / 319,252.79-478,949.27-94,630.55

Finding the Fourth Proportional to 319,252.79, 478,949.27 and 94,630.55

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Solution

The fourth proportional to 319,252.79, 478,949.27 and 94,630.55 is: 141,966.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,252.79 : 478,949.27 = 94,630.55 : x
  2. Step 2: Convert to fraction form
    319,252.79/478,949.27 = 94,630.55/x
  3. Step 3: Cross multiply
    319,252.79x = 478,949.27 × 94,630.55
  4. Step 4: Simplify right side
    319,252.79x = 45,323,232,842.20
  5. Step 5: Solve for x
    x = 45,323,232,842.20/319,252.79
  6. Step 6: Final answer
    x = 141,966.60

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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.