Home / 98,224.78-147,440.23-87,051.60

Finding the Fourth Proportional to 98,224.78, 147,440.23 and 87,051.60

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Solution

The fourth proportional to 98,224.78, 147,440.23 and 87,051.60 is: 130,668.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,224.78 : 147,440.23 = 87,051.60 : x
  2. Step 2: Convert to fraction form
    98,224.78/147,440.23 = 87,051.60/x
  3. Step 3: Cross multiply
    98,224.78x = 147,440.23 × 87,051.60
  4. Step 4: Simplify right side
    98,224.78x = 12,834,907,806.94
  5. Step 5: Solve for x
    x = 12,834,907,806.94/98,224.78
  6. Step 6: Final answer
    x = 130,668.74

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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.