Home / 487,606.10-731,227.25-167,667.46

Finding the Fourth Proportional to 487,606.10, 731,227.25 and 167,667.46

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Solution

The fourth proportional to 487,606.10, 731,227.25 and 167,667.46 is: 251,438.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,606.10 : 731,227.25 = 167,667.46 : x
  2. Step 2: Convert to fraction form
    487,606.10/731,227.25 = 167,667.46/x
  3. Step 3: Cross multiply
    487,606.10x = 731,227.25 × 167,667.46
  4. Step 4: Simplify right side
    487,606.10x = 122,603,014,281.39
  5. Step 5: Solve for x
    x = 122,603,014,281.39/487,606.10
  6. Step 6: Final answer
    x = 251,438.64

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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.