Home / 193,685.86-290,545.53-53,444.49

Finding the Fourth Proportional to 193,685.86, 290,545.53 and 53,444.49

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Solution

The fourth proportional to 193,685.86, 290,545.53 and 53,444.49 is: 80,171.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,685.86 : 290,545.53 = 53,444.49 : x
  2. Step 2: Convert to fraction form
    193,685.86/290,545.53 = 53,444.49/x
  3. Step 3: Cross multiply
    193,685.86x = 290,545.53 × 53,444.49
  4. Step 4: Simplify right side
    193,685.86x = 15,528,057,672.63
  5. Step 5: Solve for x
    x = 15,528,057,672.63/193,685.86
  6. Step 6: Final answer
    x = 80,171.35

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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.