Home / 578,105.19-867,136.93-151,637.61

Finding the Fourth Proportional to 578,105.19, 867,136.93 and 151,637.61

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Solution

The fourth proportional to 578,105.19, 867,136.93 and 151,637.61 is: 227,450.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,105.19 : 867,136.93 = 151,637.61 : x
  2. Step 2: Convert to fraction form
    578,105.19/867,136.93 = 151,637.61/x
  3. Step 3: Cross multiply
    578,105.19x = 867,136.93 × 151,637.61
  4. Step 4: Simplify right side
    578,105.19x = 131,490,571,607.94
  5. Step 5: Solve for x
    x = 131,490,571,607.94/578,105.19
  6. Step 6: Final answer
    x = 227,450.94

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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.