Home / 98,224.37-147,439.62-87,051.20

Finding the Fourth Proportional to 98,224.37, 147,439.62 and 87,051.20

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Solution

The fourth proportional to 98,224.37, 147,439.62 and 87,051.20 is: 130,668.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,224.37 : 147,439.62 = 87,051.20 : x
  2. Step 2: Convert to fraction form
    98,224.37/147,439.62 = 87,051.20/x
  3. Step 3: Cross multiply
    98,224.37x = 147,439.62 × 87,051.20
  4. Step 4: Simplify right side
    98,224.37x = 12,834,795,111.35
  5. Step 5: Solve for x
    x = 12,834,795,111.35/98,224.37
  6. Step 6: Final answer
    x = 130,668.14

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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.