Home / 190,416.33-285,324.03-70,307.96

Finding the Fourth Proportional to 190,416.33, 285,324.03 and 70,307.96

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Solution

The fourth proportional to 190,416.33, 285,324.03 and 70,307.96 is: 105,350.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,416.33 : 285,324.03 = 70,307.96 : x
  2. Step 2: Convert to fraction form
    190,416.33/285,324.03 = 70,307.96/x
  3. Step 3: Cross multiply
    190,416.33x = 285,324.03 × 70,307.96
  4. Step 4: Simplify right side
    190,416.33x = 20,060,549,061.66
  5. Step 5: Solve for x
    x = 20,060,549,061.66/190,416.33
  6. Step 6: Final answer
    x = 105,350.99

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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.