Home / 177,830.51-245,402.66-97,257.78

Finding the Fourth Proportional to 177,830.51, 245,402.66 and 97,257.78

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Solution

The fourth proportional to 177,830.51, 245,402.66 and 97,257.78 is: 134,213.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,830.51 : 245,402.66 = 97,257.78 : x
  2. Step 2: Convert to fraction form
    177,830.51/245,402.66 = 97,257.78/x
  3. Step 3: Cross multiply
    177,830.51x = 245,402.66 × 97,257.78
  4. Step 4: Simplify right side
    177,830.51x = 23,867,318,160.84
  5. Step 5: Solve for x
    x = 23,867,318,160.84/177,830.51
  6. Step 6: Final answer
    x = 134,213.86

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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.