Home / 141,223.15-194,889.27-77,562.28

Finding the Fourth Proportional to 141,223.15, 194,889.27 and 77,562.28

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Solution

The fourth proportional to 141,223.15, 194,889.27 and 77,562.28 is: 107,036.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,223.15 : 194,889.27 = 77,562.28 : x
  2. Step 2: Convert to fraction form
    141,223.15/194,889.27 = 77,562.28/x
  3. Step 3: Cross multiply
    141,223.15x = 194,889.27 × 77,562.28
  4. Step 4: Simplify right side
    141,223.15x = 15,116,056,128.74
  5. Step 5: Solve for x
    x = 15,116,056,128.74/141,223.15
  6. Step 6: Final answer
    x = 107,036.67

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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.