Home / 193,455.10-290,413.05-109,282.30

Finding the Fourth Proportional to 193,455.10, 290,413.05 and 109,282.30

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Solution

The fourth proportional to 193,455.10, 290,413.05 and 109,282.30 is: 164,053.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,455.10 : 290,413.05 = 109,282.30 : x
  2. Step 2: Convert to fraction form
    193,455.10/290,413.05 = 109,282.30/x
  3. Step 3: Cross multiply
    193,455.10x = 290,413.05 × 109,282.30
  4. Step 4: Simplify right side
    193,455.10x = 31,737,006,054.02
  5. Step 5: Solve for x
    x = 31,737,006,054.02/193,455.10
  6. Step 6: Final answer
    x = 164,053.60

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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.