Home / 157,178.85-235,768.35-51,997.81

Finding the Fourth Proportional to 157,178.85, 235,768.35 and 51,997.81

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Solution

The fourth proportional to 157,178.85, 235,768.35 and 51,997.81 is: 77,996.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,178.85 : 235,768.35 = 51,997.81 : x
  2. Step 2: Convert to fraction form
    157,178.85/235,768.35 = 51,997.81/x
  3. Step 3: Cross multiply
    157,178.85x = 235,768.35 × 51,997.81
  4. Step 4: Simplify right side
    157,178.85x = 12,259,437,867.31
  5. Step 5: Solve for x
    x = 12,259,437,867.31/157,178.85
  6. Step 6: Final answer
    x = 77,996.74

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1.5x scale

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.