Home / 353,136.11-487,325.40-191,991.15

Finding the Fourth Proportional to 353,136.11, 487,325.40 and 191,991.15

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Solution

The fourth proportional to 353,136.11, 487,325.40 and 191,991.15 is: 264,946.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,136.11 : 487,325.40 = 191,991.15 : x
  2. Step 2: Convert to fraction form
    353,136.11/487,325.40 = 191,991.15/x
  3. Step 3: Cross multiply
    353,136.11x = 487,325.40 × 191,991.15
  4. Step 4: Simplify right side
    353,136.11x = 93,562,163,970.21
  5. Step 5: Solve for x
    x = 93,562,163,970.21/353,136.11
  6. Step 6: Final answer
    x = 264,946.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.