Home / 487,836.41-731,572.56-167,897.75

Finding the Fourth Proportional to 487,836.41, 731,572.56 and 167,897.75

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Solution

The fourth proportional to 487,836.41, 731,572.56 and 167,897.75 is: 251,783.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,836.41 : 731,572.56 = 167,897.75 : x
  2. Step 2: Convert to fraction form
    487,836.41/731,572.56 = 167,897.75/x
  3. Step 3: Cross multiply
    487,836.41x = 731,572.56 × 167,897.75
  4. Step 4: Simplify right side
    487,836.41x = 122,829,383,127.88
  5. Step 5: Solve for x
    x = 122,829,383,127.88/487,836.41
  6. Step 6: Final answer
    x = 251,783.96

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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.