Home / 124,319.47-186,477.83-74,413.50

Finding the Fourth Proportional to 124,319.47, 186,477.83 and 74,413.50

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Solution

The fourth proportional to 124,319.47, 186,477.83 and 74,413.50 is: 111,619.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,319.47 : 186,477.83 = 74,413.50 : x
  2. Step 2: Convert to fraction form
    124,319.47/186,477.83 = 74,413.50/x
  3. Step 3: Cross multiply
    124,319.47x = 186,477.83 × 74,413.50
  4. Step 4: Simplify right side
    124,319.47x = 13,876,468,188.74
  5. Step 5: Solve for x
    x = 13,876,468,188.74/124,319.47
  6. Step 6: Final answer
    x = 111,619.43

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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.