Home / 346,721.56-519,790.50-169,136.92

Finding the Fourth Proportional to 346,721.56, 519,790.50 and 169,136.92

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Solution

The fourth proportional to 346,721.56, 519,790.50 and 169,136.92 is: 253,563.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,721.56 : 519,790.50 = 169,136.92 : x
  2. Step 2: Convert to fraction form
    346,721.56/519,790.50 = 169,136.92/x
  3. Step 3: Cross multiply
    346,721.56x = 519,790.50 × 169,136.92
  4. Step 4: Simplify right side
    346,721.56x = 87,915,764,215.26
  5. Step 5: Solve for x
    x = 87,915,764,215.26/346,721.56
  6. Step 6: Final answer
    x = 253,563.02

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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.