Home / 98,114.49-147,215.07-76,118.94

Finding the Fourth Proportional to 98,114.49, 147,215.07 and 76,118.94

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Solution

The fourth proportional to 98,114.49, 147,215.07 and 76,118.94 is: 114,212.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,114.49 : 147,215.07 = 76,118.94 : x
  2. Step 2: Convert to fraction form
    98,114.49/147,215.07 = 76,118.94/x
  3. Step 3: Cross multiply
    98,114.49x = 147,215.07 × 76,118.94
  4. Step 4: Simplify right side
    98,114.49x = 11,205,855,080.43
  5. Step 5: Solve for x
    x = 11,205,855,080.43/98,114.49
  6. Step 6: Final answer
    x = 114,212.03

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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.