Home / 163,734.80-226,097.16-103,413.20

Finding the Fourth Proportional to 163,734.80, 226,097.16 and 103,413.20

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Solution

The fourth proportional to 163,734.80, 226,097.16 and 103,413.20 is: 142,800.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,734.80 : 226,097.16 = 103,413.20 : x
  2. Step 2: Convert to fraction form
    163,734.80/226,097.16 = 103,413.20/x
  3. Step 3: Cross multiply
    163,734.80x = 226,097.16 × 103,413.20
  4. Step 4: Simplify right side
    163,734.80x = 23,381,430,826.51
  5. Step 5: Solve for x
    x = 23,381,430,826.51/163,734.80
  6. Step 6: Final answer
    x = 142,800.62

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1.5x scale

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.