Home / 218,315.05-327,083.01-118,411.54

Finding the Fourth Proportional to 218,315.05, 327,083.01 and 118,411.54

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Solution

The fourth proportional to 218,315.05, 327,083.01 and 118,411.54 is: 177,406.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,315.05 : 327,083.01 = 118,411.54 : x
  2. Step 2: Convert to fraction form
    218,315.05/327,083.01 = 118,411.54/x
  3. Step 3: Cross multiply
    218,315.05x = 327,083.01 × 118,411.54
  4. Step 4: Simplify right side
    218,315.05x = 38,730,402,921.94
  5. Step 5: Solve for x
    x = 38,730,402,921.94/218,315.05
  6. Step 6: Final answer
    x = 177,406.01

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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.