Home / 137,930.04-190,364.04-84,245.94

Finding the Fourth Proportional to 137,930.04, 190,364.04 and 84,245.94

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Solution

The fourth proportional to 137,930.04, 190,364.04 and 84,245.94 is: 116,271.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,930.04 : 190,364.04 = 84,245.94 : x
  2. Step 2: Convert to fraction form
    137,930.04/190,364.04 = 84,245.94/x
  3. Step 3: Cross multiply
    137,930.04x = 190,364.04 × 84,245.94
  4. Step 4: Simplify right side
    137,930.04x = 16,037,397,492.00
  5. Step 5: Solve for x
    x = 16,037,397,492.00/137,930.04
  6. Step 6: Final answer
    x = 116,271.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.