Home / 190,602.43-285,830.98-64,208.77

Finding the Fourth Proportional to 190,602.43, 285,830.98 and 64,208.77

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Solution

The fourth proportional to 190,602.43, 285,830.98 and 64,208.77 is: 96,288.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,602.43 : 285,830.98 = 64,208.77 : x
  2. Step 2: Convert to fraction form
    190,602.43/285,830.98 = 64,208.77/x
  3. Step 3: Cross multiply
    190,602.43x = 285,830.98 × 64,208.77
  4. Step 4: Simplify right side
    190,602.43x = 18,352,855,653.69
  5. Step 5: Solve for x
    x = 18,352,855,653.69/190,602.43
  6. Step 6: Final answer
    x = 96,288.68

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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.