Home / 190,493.45-285,740.15-64,123.08

Finding the Fourth Proportional to 190,493.45, 285,740.15 and 64,123.08

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Solution

The fourth proportional to 190,493.45, 285,740.15 and 64,123.08 is: 96,184.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,493.45 : 285,740.15 = 64,123.08 : x
  2. Step 2: Convert to fraction form
    190,493.45/285,740.15 = 64,123.08/x
  3. Step 3: Cross multiply
    190,493.45x = 285,740.15 × 64,123.08
  4. Step 4: Simplify right side
    190,493.45x = 18,322,538,177.05
  5. Step 5: Solve for x
    x = 18,322,538,177.05/190,493.45
  6. Step 6: Final answer
    x = 96,184.61

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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.