Home / 190,595.34-263,017.64-117,979.04

Finding the Fourth Proportional to 190,595.34, 263,017.64 and 117,979.04

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Solution

The fourth proportional to 190,595.34, 263,017.64 and 117,979.04 is: 162,808.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,595.34 : 263,017.64 = 117,979.04 : x
  2. Step 2: Convert to fraction form
    190,595.34/263,017.64 = 117,979.04/x
  3. Step 3: Cross multiply
    190,595.34x = 263,017.64 × 117,979.04
  4. Step 4: Simplify right side
    190,595.34x = 31,030,566,765.28
  5. Step 5: Solve for x
    x = 31,030,566,765.28/190,595.34
  6. Step 6: Final answer
    x = 162,808.63

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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.