Home / 190,579.72-285,895.97-64,256.12

Finding the Fourth Proportional to 190,579.72, 285,895.97 and 64,256.12

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Solution

The fourth proportional to 190,579.72, 285,895.97 and 64,256.12 is: 96,393.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,579.72 : 285,895.97 = 64,256.12 : x
  2. Step 2: Convert to fraction form
    190,579.72/285,895.97 = 64,256.12/x
  3. Step 3: Cross multiply
    190,579.72x = 285,895.97 × 64,256.12
  4. Step 4: Simplify right side
    190,579.72x = 18,370,566,631.22
  5. Step 5: Solve for x
    x = 18,370,566,631.22/190,579.72
  6. Step 6: Final answer
    x = 96,393.08

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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.