Home / 190,539.95-285,846.98-57,413.61

Finding the Fourth Proportional to 190,539.95, 285,846.98 and 57,413.61

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Solution

The fourth proportional to 190,539.95, 285,846.98 and 57,413.61 is: 86,131.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,539.95 : 285,846.98 = 57,413.61 : x
  2. Step 2: Convert to fraction form
    190,539.95/285,846.98 = 57,413.61/x
  3. Step 3: Cross multiply
    190,539.95x = 285,846.98 × 57,413.61
  4. Step 4: Simplify right side
    190,539.95x = 16,411,506,742.33
  5. Step 5: Solve for x
    x = 16,411,506,742.33/190,539.95
  6. Step 6: Final answer
    x = 86,131.58

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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.