Home / 159,748.61-220,413.76-97,643.41

Finding the Fourth Proportional to 159,748.61, 220,413.76 and 97,643.41

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Solution

The fourth proportional to 159,748.61, 220,413.76 and 97,643.41 is: 134,723.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,748.61 : 220,413.76 = 97,643.41 : x
  2. Step 2: Convert to fraction form
    159,748.61/220,413.76 = 97,643.41/x
  3. Step 3: Cross multiply
    159,748.61x = 220,413.76 × 97,643.41
  4. Step 4: Simplify right side
    159,748.61x = 21,521,950,342.18
  5. Step 5: Solve for x
    x = 21,521,950,342.18/159,748.61
  6. Step 6: Final answer
    x = 134,723.87

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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.