Home / 137,898.54-190,320.57-84,214.44

Finding the Fourth Proportional to 137,898.54, 190,320.57 and 84,214.44

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Solution

The fourth proportional to 137,898.54, 190,320.57 and 84,214.44 is: 116,228.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,898.54 : 190,320.57 = 84,214.44 : x
  2. Step 2: Convert to fraction form
    137,898.54/190,320.57 = 84,214.44/x
  3. Step 3: Cross multiply
    137,898.54x = 190,320.57 × 84,214.44
  4. Step 4: Simplify right side
    137,898.54x = 16,027,740,223.03
  5. Step 5: Solve for x
    x = 16,027,740,223.03/137,898.54
  6. Step 6: Final answer
    x = 116,228.50

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1.5x scale

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.