Home / 147,720.42-203,782.95-96,710.58

Finding the Fourth Proportional to 147,720.42, 203,782.95 and 96,710.58

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Solution

The fourth proportional to 147,720.42, 203,782.95 and 96,710.58 is: 133,413.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,720.42 : 203,782.95 = 96,710.58 : x
  2. Step 2: Convert to fraction form
    147,720.42/203,782.95 = 96,710.58/x
  3. Step 3: Cross multiply
    147,720.42x = 203,782.95 × 96,710.58
  4. Step 4: Simplify right side
    147,720.42x = 19,707,967,288.61
  5. Step 5: Solve for x
    x = 19,707,967,288.61/147,720.42
  6. Step 6: Final answer
    x = 133,413.97

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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.