Home / 190,226.32-285,341.94-90,396.28

Finding the Fourth Proportional to 190,226.32, 285,341.94 and 90,396.28

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Solution

The fourth proportional to 190,226.32, 285,341.94 and 90,396.28 is: 135,595.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,226.32 : 285,341.94 = 90,396.28 : x
  2. Step 2: Convert to fraction form
    190,226.32/285,341.94 = 90,396.28/x
  3. Step 3: Cross multiply
    190,226.32x = 285,341.94 × 90,396.28
  4. Step 4: Simplify right side
    190,226.32x = 25,793,849,903.98
  5. Step 5: Solve for x
    x = 25,793,849,903.98/190,226.32
  6. Step 6: Final answer
    x = 135,595.59

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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.