Home / 189,609.04-284,413.56-56,485.86

Finding the Fourth Proportional to 189,609.04, 284,413.56 and 56,485.86

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Solution

The fourth proportional to 189,609.04, 284,413.56 and 56,485.86 is: 84,728.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,609.04 : 284,413.56 = 56,485.86 : x
  2. Step 2: Convert to fraction form
    189,609.04/284,413.56 = 56,485.86/x
  3. Step 3: Cross multiply
    189,609.04x = 284,413.56 × 56,485.86
  4. Step 4: Simplify right side
    189,609.04x = 16,065,344,532.26
  5. Step 5: Solve for x
    x = 16,065,344,532.26/189,609.04
  6. Step 6: Final answer
    x = 84,728.79

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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.