Home / 412,293.96-618,459.57-112,767.84

Finding the Fourth Proportional to 412,293.96, 618,459.57 and 112,767.84

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Solution

The fourth proportional to 412,293.96, 618,459.57 and 112,767.84 is: 169,156.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,293.96 : 618,459.57 = 112,767.84 : x
  2. Step 2: Convert to fraction form
    412,293.96/618,459.57 = 112,767.84/x
  3. Step 3: Cross multiply
    412,293.96x = 618,459.57 × 112,767.84
  4. Step 4: Simplify right side
    412,293.96x = 69,742,349,836.23
  5. Step 5: Solve for x
    x = 69,742,349,836.23/412,293.96
  6. Step 6: Final answer
    x = 169,156.86

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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.