Home / 130,013.10-195,045.98-73,880.10

Finding the Fourth Proportional to 130,013.10, 195,045.98 and 73,880.10

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Solution

The fourth proportional to 130,013.10, 195,045.98 and 73,880.10 is: 110,835.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,013.10 : 195,045.98 = 73,880.10 : x
  2. Step 2: Convert to fraction form
    130,013.10/195,045.98 = 73,880.10/x
  3. Step 3: Cross multiply
    130,013.10x = 195,045.98 × 73,880.10
  4. Step 4: Simplify right side
    130,013.10x = 14,410,016,137.60
  5. Step 5: Solve for x
    x = 14,410,016,137.60/130,013.10
  6. Step 6: Final answer
    x = 110,835.11

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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.