Home / 114,357.74-171,545.04-30,117.33

Finding the Fourth Proportional to 114,357.74, 171,545.04 and 30,117.33

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Solution

The fourth proportional to 114,357.74, 171,545.04 and 30,117.33 is: 45,178.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,357.74 : 171,545.04 = 30,117.33 : x
  2. Step 2: Convert to fraction form
    114,357.74/171,545.04 = 30,117.33/x
  3. Step 3: Cross multiply
    114,357.74x = 171,545.04 × 30,117.33
  4. Step 4: Simplify right side
    114,357.74x = 5,166,478,579.54
  5. Step 5: Solve for x
    x = 5,166,478,579.54/114,357.74
  6. Step 6: Final answer
    x = 45,178.22

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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.