Home / 130,069.56-194,970.42-51,151.80

Finding the Fourth Proportional to 130,069.56, 194,970.42 and 51,151.80

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Solution

The fourth proportional to 130,069.56, 194,970.42 and 51,151.80 is: 76,675.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,069.56 : 194,970.42 = 51,151.80 : x
  2. Step 2: Convert to fraction form
    130,069.56/194,970.42 = 51,151.80/x
  3. Step 3: Cross multiply
    130,069.56x = 194,970.42 × 51,151.80
  4. Step 4: Simplify right side
    130,069.56x = 9,973,087,929.76
  5. Step 5: Solve for x
    x = 9,973,087,929.76/130,069.56
  6. Step 6: Final answer
    x = 76,675.03

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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.