Home / 130,999.55-196,511.67-36,225.90

Finding the Fourth Proportional to 130,999.55, 196,511.67 and 36,225.90

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Solution

The fourth proportional to 130,999.55, 196,511.67 and 36,225.90 is: 54,342.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,999.55 : 196,511.67 = 36,225.90 : x
  2. Step 2: Convert to fraction form
    130,999.55/196,511.67 = 36,225.90/x
  3. Step 3: Cross multiply
    130,999.55x = 196,511.67 × 36,225.90
  4. Step 4: Simplify right side
    130,999.55x = 7,118,812,106.25
  5. Step 5: Solve for x
    x = 7,118,812,106.25/130,999.55
  6. Step 6: Final answer
    x = 54,342.27

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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.