Home / 117,809.10-162,674.65-109,261.44

Finding the Fourth Proportional to 117,809.10, 162,674.65 and 109,261.44

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Solution

The fourth proportional to 117,809.10, 162,674.65 and 109,261.44 is: 150,871.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,809.10 : 162,674.65 = 109,261.44 : x
  2. Step 2: Convert to fraction form
    117,809.10/162,674.65 = 109,261.44/x
  3. Step 3: Cross multiply
    117,809.10x = 162,674.65 × 109,261.44
  4. Step 4: Simplify right side
    117,809.10x = 17,774,066,510.50
  5. Step 5: Solve for x
    x = 17,774,066,510.50/117,809.10
  6. Step 6: Final answer
    x = 150,871.76

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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.