Home / 190,514.80-285,803.79-64,165.73

Finding the Fourth Proportional to 190,514.80, 285,803.79 and 64,165.73

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Solution

The fourth proportional to 190,514.80, 285,803.79 and 64,165.73 is: 96,259.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,514.80 : 285,803.79 = 64,165.73 : x
  2. Step 2: Convert to fraction form
    190,514.80/285,803.79 = 64,165.73/x
  3. Step 3: Cross multiply
    190,514.80x = 285,803.79 × 64,165.73
  4. Step 4: Simplify right side
    190,514.80x = 18,338,808,501.29
  5. Step 5: Solve for x
    x = 18,338,808,501.29/190,514.80
  6. Step 6: Final answer
    x = 96,259.24

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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.