Home / 118,439.37-163,393.83-70,664.94

Finding the Fourth Proportional to 118,439.37, 163,393.83 and 70,664.94

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Solution

The fourth proportional to 118,439.37, 163,393.83 and 70,664.94 is: 97,486.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,439.37 : 163,393.83 = 70,664.94 : x
  2. Step 2: Convert to fraction form
    118,439.37/163,393.83 = 70,664.94/x
  3. Step 3: Cross multiply
    118,439.37x = 163,393.83 × 70,664.94
  4. Step 4: Simplify right side
    118,439.37x = 11,546,215,193.32
  5. Step 5: Solve for x
    x = 11,546,215,193.32/118,439.37
  6. Step 6: Final answer
    x = 97,486.29

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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.