Home / 143,299.05-214,953.36-64,413.51

Finding the Fourth Proportional to 143,299.05, 214,953.36 and 64,413.51

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Solution

The fourth proportional to 143,299.05, 214,953.36 and 64,413.51 is: 96,622.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,299.05 : 214,953.36 = 64,413.51 : x
  2. Step 2: Convert to fraction form
    143,299.05/214,953.36 = 64,413.51/x
  3. Step 3: Cross multiply
    143,299.05x = 214,953.36 × 64,413.51
  4. Step 4: Simplify right side
    143,299.05x = 13,845,899,356.27
  5. Step 5: Solve for x
    x = 13,845,899,356.27/143,299.05
  6. Step 6: Final answer
    x = 96,622.41

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1.5x scale

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.