Home / 134,135.43-185,106.83-73,705.98

Finding the Fourth Proportional to 134,135.43, 185,106.83 and 73,705.98

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Solution

The fourth proportional to 134,135.43, 185,106.83 and 73,705.98 is: 101,714.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,135.43 : 185,106.83 = 73,705.98 : x
  2. Step 2: Convert to fraction form
    134,135.43/185,106.83 = 73,705.98/x
  3. Step 3: Cross multiply
    134,135.43x = 185,106.83 × 73,705.98
  4. Step 4: Simplify right side
    134,135.43x = 13,643,479,941.31
  5. Step 5: Solve for x
    x = 13,643,479,941.31/134,135.43
  6. Step 6: Final answer
    x = 101,714.21

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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.