Home / 190,823.75-286,366.85-66,164.75

Finding the Fourth Proportional to 190,823.75, 286,366.85 and 66,164.75

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Solution

The fourth proportional to 190,823.75, 286,366.85 and 66,164.75 is: 99,292.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,823.75 : 286,366.85 = 66,164.75 : x
  2. Step 2: Convert to fraction form
    190,823.75/286,366.85 = 66,164.75/x
  3. Step 3: Cross multiply
    190,823.75x = 286,366.85 × 66,164.75
  4. Step 4: Simplify right side
    190,823.75x = 18,947,391,038.54
  5. Step 5: Solve for x
    x = 18,947,391,038.54/190,823.75
  6. Step 6: Final answer
    x = 99,292.62

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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.