Home / 190,667.50-286,076.57-72,370.24

Finding the Fourth Proportional to 190,667.50, 286,076.57 and 72,370.24

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Solution

The fourth proportional to 190,667.50, 286,076.57 and 72,370.24 is: 108,583.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,667.50 : 286,076.57 = 72,370.24 : x
  2. Step 2: Convert to fraction form
    190,667.50/286,076.57 = 72,370.24/x
  3. Step 3: Cross multiply
    190,667.50x = 286,076.57 × 72,370.24
  4. Step 4: Simplify right side
    190,667.50x = 20,703,430,029.28
  5. Step 5: Solve for x
    x = 20,703,430,029.28/190,667.50
  6. Step 6: Final answer
    x = 108,583.95

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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.