Home / 438,816.96-658,095.02-186,093.72

Finding the Fourth Proportional to 438,816.96, 658,095.02 and 186,093.72

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Solution

The fourth proportional to 438,816.96, 658,095.02 and 186,093.72 is: 279,085.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,816.96 : 658,095.02 = 186,093.72 : x
  2. Step 2: Convert to fraction form
    438,816.96/658,095.02 = 186,093.72/x
  3. Step 3: Cross multiply
    438,816.96x = 658,095.02 × 186,093.72
  4. Step 4: Simplify right side
    438,816.96x = 122,467,350,385.27
  5. Step 5: Solve for x
    x = 122,467,350,385.27/438,816.96
  6. Step 6: Final answer
    x = 279,085.27

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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.