Home / 120,966.81-166,688.01-93,576.51

Finding the Fourth Proportional to 120,966.81, 166,688.01 and 93,576.51

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Solution

The fourth proportional to 120,966.81, 166,688.01 and 93,576.51 is: 128,945.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,966.81 : 166,688.01 = 93,576.51 : x
  2. Step 2: Convert to fraction form
    120,966.81/166,688.01 = 93,576.51/x
  3. Step 3: Cross multiply
    120,966.81x = 166,688.01 × 93,576.51
  4. Step 4: Simplify right side
    120,966.81x = 15,598,082,234.65
  5. Step 5: Solve for x
    x = 15,598,082,234.65/120,966.81
  6. Step 6: Final answer
    x = 128,945.14

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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.