Home / 130,364.79-195,579.99-36,870.54

Finding the Fourth Proportional to 130,364.79, 195,579.99 and 36,870.54

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Solution

The fourth proportional to 130,364.79, 195,579.99 and 36,870.54 is: 55,315.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,364.79 : 195,579.99 = 36,870.54 : x
  2. Step 2: Convert to fraction form
    130,364.79/195,579.99 = 36,870.54/x
  3. Step 3: Cross multiply
    130,364.79x = 195,579.99 × 36,870.54
  4. Step 4: Simplify right side
    130,364.79x = 7,211,139,844.49
  5. Step 5: Solve for x
    x = 7,211,139,844.49/130,364.79
  6. Step 6: Final answer
    x = 55,315.09

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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.