Home / 330,669.04-456,358.92-187,413.70

Finding the Fourth Proportional to 330,669.04, 456,358.92 and 187,413.70

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Solution

The fourth proportional to 330,669.04, 456,358.92 and 187,413.70 is: 258,651.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,669.04 : 456,358.92 = 187,413.70 : x
  2. Step 2: Convert to fraction form
    330,669.04/456,358.92 = 187,413.70/x
  3. Step 3: Cross multiply
    330,669.04x = 456,358.92 × 187,413.70
  4. Step 4: Simplify right side
    330,669.04x = 85,527,913,725.20
  5. Step 5: Solve for x
    x = 85,527,913,725.20/330,669.04
  6. Step 6: Final answer
    x = 258,651.11

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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.