Home / 177,783.06-245,402.40-102,361.62

Finding the Fourth Proportional to 177,783.06, 245,402.40 and 102,361.62

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Solution

The fourth proportional to 177,783.06, 245,402.40 and 102,361.62 is: 141,294.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,783.06 : 245,402.40 = 102,361.62 : x
  2. Step 2: Convert to fraction form
    177,783.06/245,402.40 = 102,361.62/x
  3. Step 3: Cross multiply
    177,783.06x = 245,402.40 × 102,361.62
  4. Step 4: Simplify right side
    177,783.06x = 25,119,787,215.89
  5. Step 5: Solve for x
    x = 25,119,787,215.89/177,783.06
  6. Step 6: Final answer
    x = 141,294.60

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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.