Home / 370,919.40-556,422.66-118,111.38

Finding the Fourth Proportional to 370,919.40, 556,422.66 and 118,111.38

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Solution

The fourth proportional to 370,919.40, 556,422.66 and 118,111.38 is: 177,180.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,919.40 : 556,422.66 = 118,111.38 : x
  2. Step 2: Convert to fraction form
    370,919.40/556,422.66 = 118,111.38/x
  3. Step 3: Cross multiply
    370,919.40x = 556,422.66 × 118,111.38
  4. Step 4: Simplify right side
    370,919.40x = 65,719,848,235.87
  5. Step 5: Solve for x
    x = 65,719,848,235.87/370,919.40
  6. Step 6: Final answer
    x = 177,180.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.