Home / 122,622.96-183,835.18-38,339.76

Finding the Fourth Proportional to 122,622.96, 183,835.18 and 38,339.76

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Solution

The fourth proportional to 122,622.96, 183,835.18 and 38,339.76 is: 57,478.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,622.96 : 183,835.18 = 38,339.76 : x
  2. Step 2: Convert to fraction form
    122,622.96/183,835.18 = 38,339.76/x
  3. Step 3: Cross multiply
    122,622.96x = 183,835.18 × 38,339.76
  4. Step 4: Simplify right side
    122,622.96x = 7,048,196,680.76
  5. Step 5: Solve for x
    x = 7,048,196,680.76/122,622.96
  6. Step 6: Final answer
    x = 57,478.60

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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.