Home / 190,402.94-285,618.78-64,043.55

Finding the Fourth Proportional to 190,402.94, 285,618.78 and 64,043.55

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Solution

The fourth proportional to 190,402.94, 285,618.78 and 64,043.55 is: 96,070.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,402.94 : 285,618.78 = 64,043.55 : x
  2. Step 2: Convert to fraction form
    190,402.94/285,618.78 = 64,043.55/x
  3. Step 3: Cross multiply
    190,402.94x = 285,618.78 × 64,043.55
  4. Step 4: Simplify right side
    190,402.94x = 18,292,040,617.87
  5. Step 5: Solve for x
    x = 18,292,040,617.87/190,402.94
  6. Step 6: Final answer
    x = 96,070.16

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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.