Home / 370,918.28-556,371.32-118,195.28

Finding the Fourth Proportional to 370,918.28, 556,371.32 and 118,195.28

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Solution

The fourth proportional to 370,918.28, 556,371.32 and 118,195.28 is: 177,290.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,918.28 : 556,371.32 = 118,195.28 : x
  2. Step 2: Convert to fraction form
    370,918.28/556,371.32 = 118,195.28/x
  3. Step 3: Cross multiply
    370,918.28x = 556,371.32 × 118,195.28
  4. Step 4: Simplify right side
    370,918.28x = 65,760,461,598.77
  5. Step 5: Solve for x
    x = 65,760,461,598.77/370,918.28
  6. Step 6: Final answer
    x = 177,290.97

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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.