Home / 230,413.23-345,587.04-72,621.18

Finding the Fourth Proportional to 230,413.23, 345,587.04 and 72,621.18

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Solution

The fourth proportional to 230,413.23, 345,587.04 and 72,621.18 is: 108,921.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,413.23 : 345,587.04 = 72,621.18 : x
  2. Step 2: Convert to fraction form
    230,413.23/345,587.04 = 72,621.18/x
  3. Step 3: Cross multiply
    230,413.23x = 345,587.04 × 72,621.18
  4. Step 4: Simplify right side
    230,413.23x = 25,096,938,637.51
  5. Step 5: Solve for x
    x = 25,096,938,637.51/230,413.23
  6. Step 6: Final answer
    x = 108,921.43

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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.