Home / 168,872.15-233,005.40-100,875.81

Finding the Fourth Proportional to 168,872.15, 233,005.40 and 100,875.81

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Solution

The fourth proportional to 168,872.15, 233,005.40 and 100,875.81 is: 139,185.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,872.15 : 233,005.40 = 100,875.81 : x
  2. Step 2: Convert to fraction form
    168,872.15/233,005.40 = 100,875.81/x
  3. Step 3: Cross multiply
    168,872.15x = 233,005.40 × 100,875.81
  4. Step 4: Simplify right side
    168,872.15x = 23,504,607,955.00
  5. Step 5: Solve for x
    x = 23,504,607,955.00/168,872.15
  6. Step 6: Final answer
    x = 139,185.82

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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.