Home / 523,999.61-786,099.86-168,918.29

Finding the Fourth Proportional to 523,999.61, 786,099.86 and 168,918.29

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Solution

The fourth proportional to 523,999.61, 786,099.86 and 168,918.29 is: 253,409.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,999.61 : 786,099.86 = 168,918.29 : x
  2. Step 2: Convert to fraction form
    523,999.61/786,099.86 = 168,918.29/x
  3. Step 3: Cross multiply
    523,999.61x = 786,099.86 × 168,918.29
  4. Step 4: Simplify right side
    523,999.61x = 132,786,639,345.35
  5. Step 5: Solve for x
    x = 132,786,639,345.35/523,999.61
  6. Step 6: Final answer
    x = 253,409.81

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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.