Home / 137,944.32-190,383.72-84,260.16

Finding the Fourth Proportional to 137,944.32, 190,383.72 and 84,260.16

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Solution

The fourth proportional to 137,944.32, 190,383.72 and 84,260.16 is: 116,291.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,944.32 : 190,383.72 = 84,260.16 : x
  2. Step 2: Convert to fraction form
    137,944.32/190,383.72 = 84,260.16/x
  3. Step 3: Cross multiply
    137,944.32x = 190,383.72 × 84,260.16
  4. Step 4: Simplify right side
    137,944.32x = 16,041,762,708.60
  5. Step 5: Solve for x
    x = 16,041,762,708.60/137,944.32
  6. Step 6: Final answer
    x = 116,291.58

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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.