Home / 239,981.22-359,430.53-186,243.89

Finding the Fourth Proportional to 239,981.22, 359,430.53 and 186,243.89

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Solution

The fourth proportional to 239,981.22, 359,430.53 and 186,243.89 is: 278,945.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,981.22 : 359,430.53 = 186,243.89 : x
  2. Step 2: Convert to fraction form
    239,981.22/359,430.53 = 186,243.89/x
  3. Step 3: Cross multiply
    239,981.22x = 359,430.53 × 186,243.89
  4. Step 4: Simplify right side
    239,981.22x = 66,941,737,363.59
  5. Step 5: Solve for x
    x = 66,941,737,363.59/239,981.22
  6. Step 6: Final answer
    x = 278,945.73

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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.