Home / 190,847.08-286,306.98-77,003.92

Finding the Fourth Proportional to 190,847.08, 286,306.98 and 77,003.92

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Solution

The fourth proportional to 190,847.08, 286,306.98 and 77,003.92 is: 115,520.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,847.08 : 286,306.98 = 77,003.92 : x
  2. Step 2: Convert to fraction form
    190,847.08/286,306.98 = 77,003.92/x
  3. Step 3: Cross multiply
    190,847.08x = 286,306.98 × 77,003.92
  4. Step 4: Simplify right side
    190,847.08x = 22,046,759,783.36
  5. Step 5: Solve for x
    x = 22,046,759,783.36/190,847.08
  6. Step 6: Final answer
    x = 115,520.55

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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.