Home / 342,916.49-473,228.57-189,957.04

Finding the Fourth Proportional to 342,916.49, 473,228.57 and 189,957.04

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Solution

The fourth proportional to 342,916.49, 473,228.57 and 189,957.04 is: 262,142.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,916.49 : 473,228.57 = 189,957.04 : x
  2. Step 2: Convert to fraction form
    342,916.49/473,228.57 = 189,957.04/x
  3. Step 3: Cross multiply
    342,916.49x = 473,228.57 × 189,957.04
  4. Step 4: Simplify right side
    342,916.49x = 89,893,098,400.63
  5. Step 5: Solve for x
    x = 89,893,098,400.63/342,916.49
  6. Step 6: Final answer
    x = 262,142.83

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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.