Home / 199,957.23-299,875.26-105,136.32

Finding the Fourth Proportional to 199,957.23, 299,875.26 and 105,136.32

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Solution

The fourth proportional to 199,957.23, 299,875.26 and 105,136.32 is: 157,672.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,957.23 : 299,875.26 = 105,136.32 : x
  2. Step 2: Convert to fraction form
    199,957.23/299,875.26 = 105,136.32/x
  3. Step 3: Cross multiply
    199,957.23x = 299,875.26 × 105,136.32
  4. Step 4: Simplify right side
    199,957.23x = 31,527,781,295.44
  5. Step 5: Solve for x
    x = 31,527,781,295.44/199,957.23
  6. Step 6: Final answer
    x = 157,672.62

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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.