Home / 157,086.60-235,551.28-78,244.44

Finding the Fourth Proportional to 157,086.60, 235,551.28 and 78,244.44

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Solution

The fourth proportional to 157,086.60, 235,551.28 and 78,244.44 is: 117,327.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,086.60 : 235,551.28 = 78,244.44 : x
  2. Step 2: Convert to fraction form
    157,086.60/235,551.28 = 78,244.44/x
  3. Step 3: Cross multiply
    157,086.60x = 235,551.28 × 78,244.44
  4. Step 4: Simplify right side
    157,086.60x = 18,430,577,994.88
  5. Step 5: Solve for x
    x = 18,430,577,994.88/157,086.60
  6. Step 6: Final answer
    x = 117,327.50

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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.