Home / 190,928.40-263,360.16-117,308.58

Finding the Fourth Proportional to 190,928.40, 263,360.16 and 117,308.58

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Solution

The fourth proportional to 190,928.40, 263,360.16 and 117,308.58 is: 161,811.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,928.40 : 263,360.16 = 117,308.58 : x
  2. Step 2: Convert to fraction form
    190,928.40/263,360.16 = 117,308.58/x
  3. Step 3: Cross multiply
    190,928.40x = 263,360.16 × 117,308.58
  4. Step 4: Simplify right side
    190,928.40x = 30,894,406,398.17
  5. Step 5: Solve for x
    x = 30,894,406,398.17/190,928.40
  6. Step 6: Final answer
    x = 161,811.48

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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.