Home / 168,904-233,087.76-93,457.60

Finding the Fourth Proportional to 168,904, 233,087.76 and 93,457.60

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Solution

The fourth proportional to 168,904, 233,087.76 and 93,457.60 is: 128,971.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,904 : 233,087.76 = 93,457.60 : x
  2. Step 2: Convert to fraction form
    168,904/233,087.76 = 93,457.60/x
  3. Step 3: Cross multiply
    168,904x = 233,087.76 × 93,457.60
  4. Step 4: Simplify right side
    168,904x = 21,783,822,638.98
  5. Step 5: Solve for x
    x = 21,783,822,638.98/168,904
  6. Step 6: Final answer
    x = 128,971.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.