Home / 168,664.60-232,864.50-105,095.80

Finding the Fourth Proportional to 168,664.60, 232,864.50 and 105,095.80

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Solution

The fourth proportional to 168,664.60, 232,864.50 and 105,095.80 is: 145,099.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,664.60 : 232,864.50 = 105,095.80 : x
  2. Step 2: Convert to fraction form
    168,664.60/232,864.50 = 105,095.80/x
  3. Step 3: Cross multiply
    168,664.60x = 232,864.50 × 105,095.80
  4. Step 4: Simplify right side
    168,664.60x = 24,473,080,919.10
  5. Step 5: Solve for x
    x = 24,473,080,919.10/168,664.60
  6. Step 6: Final answer
    x = 145,099.10

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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.