Home / 315,155.27-472,737.02-104,793.23

Finding the Fourth Proportional to 315,155.27, 472,737.02 and 104,793.23

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Solution

The fourth proportional to 315,155.27, 472,737.02 and 104,793.23 is: 157,191.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,155.27 : 472,737.02 = 104,793.23 : x
  2. Step 2: Convert to fraction form
    315,155.27/472,737.02 = 104,793.23/x
  3. Step 3: Cross multiply
    315,155.27x = 472,737.02 × 104,793.23
  4. Step 4: Simplify right side
    315,155.27x = 49,539,636,378.72
  5. Step 5: Solve for x
    x = 49,539,636,378.72/315,155.27
  6. Step 6: Final answer
    x = 157,191.21

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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.