Home / 141,043.06-194,639.52-77,384.35

Finding the Fourth Proportional to 141,043.06, 194,639.52 and 77,384.35

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Solution

The fourth proportional to 141,043.06, 194,639.52 and 77,384.35 is: 106,790.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,043.06 : 194,639.52 = 77,384.35 : x
  2. Step 2: Convert to fraction form
    141,043.06/194,639.52 = 77,384.35/x
  3. Step 3: Cross multiply
    141,043.06x = 194,639.52 × 77,384.35
  4. Step 4: Simplify right side
    141,043.06x = 15,062,052,739.51
  5. Step 5: Solve for x
    x = 15,062,052,739.51/141,043.06
  6. Step 6: Final answer
    x = 106,790.46

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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.