Home / 148,091.79-204,154.11-105,576.51

Finding the Fourth Proportional to 148,091.79, 204,154.11 and 105,576.51

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Solution

The fourth proportional to 148,091.79, 204,154.11 and 105,576.51 is: 145,544.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,091.79 : 204,154.11 = 105,576.51 : x
  2. Step 2: Convert to fraction form
    148,091.79/204,154.11 = 105,576.51/x
  3. Step 3: Cross multiply
    148,091.79x = 204,154.11 × 105,576.51
  4. Step 4: Simplify right side
    148,091.79x = 21,553,878,435.96
  5. Step 5: Solve for x
    x = 21,553,878,435.96/148,091.79
  6. Step 6: Final answer
    x = 145,544.05

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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.