Home / 190,677.77-286,033.50-70,736.09

Finding the Fourth Proportional to 190,677.77, 286,033.50 and 70,736.09

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Solution

The fourth proportional to 190,677.77, 286,033.50 and 70,736.09 is: 106,110.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,677.77 : 286,033.50 = 70,736.09 : x
  2. Step 2: Convert to fraction form
    190,677.77/286,033.50 = 70,736.09/x
  3. Step 3: Cross multiply
    190,677.77x = 286,033.50 × 70,736.09
  4. Step 4: Simplify right side
    190,677.77x = 20,232,890,167.79
  5. Step 5: Solve for x
    x = 20,232,890,167.79/190,677.77
  6. Step 6: Final answer
    x = 106,110.38

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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.