Home / 370,836.71-556,276.59-143,133.59

Finding the Fourth Proportional to 370,836.71, 556,276.59 and 143,133.59

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Solution

The fourth proportional to 370,836.71, 556,276.59 and 143,133.59 is: 214,708.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,836.71 : 556,276.59 = 143,133.59 : x
  2. Step 2: Convert to fraction form
    370,836.71/556,276.59 = 143,133.59/x
  3. Step 3: Cross multiply
    370,836.71x = 556,276.59 × 143,133.59
  4. Step 4: Simplify right side
    370,836.71x = 79,621,865,359.66
  5. Step 5: Solve for x
    x = 79,621,865,359.66/370,836.71
  6. Step 6: Final answer
    x = 214,708.69

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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.