Home / 190,083.42-285,125.13-84,975.66

Finding the Fourth Proportional to 190,083.42, 285,125.13 and 84,975.66

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Solution

The fourth proportional to 190,083.42, 285,125.13 and 84,975.66 is: 127,463.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,083.42 : 285,125.13 = 84,975.66 : x
  2. Step 2: Convert to fraction form
    190,083.42/285,125.13 = 84,975.66/x
  3. Step 3: Cross multiply
    190,083.42x = 285,125.13 × 84,975.66
  4. Step 4: Simplify right side
    190,083.42x = 24,228,696,104.34
  5. Step 5: Solve for x
    x = 24,228,696,104.34/190,083.42
  6. Step 6: Final answer
    x = 127,463.49

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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.