Home / 370,986.40-556,489.19-101,116.75

Finding the Fourth Proportional to 370,986.40, 556,489.19 and 101,116.75

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Solution

The fourth proportional to 370,986.40, 556,489.19 and 101,116.75 is: 151,677.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,986.40 : 556,489.19 = 101,116.75 : x
  2. Step 2: Convert to fraction form
    370,986.40/556,489.19 = 101,116.75/x
  3. Step 3: Cross multiply
    370,986.40x = 556,489.19 × 101,116.75
  4. Step 4: Simplify right side
    370,986.40x = 56,270,377,797.35
  5. Step 5: Solve for x
    x = 56,270,377,797.35/370,986.40
  6. Step 6: Final answer
    x = 151,677.74

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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.