Home / 126,857.70-190,217.43-64,580.58

Finding the Fourth Proportional to 126,857.70, 190,217.43 and 64,580.58

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Solution

The fourth proportional to 126,857.70, 190,217.43 and 64,580.58 is: 96,835.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,857.70 : 190,217.43 = 64,580.58 : x
  2. Step 2: Convert to fraction form
    126,857.70/190,217.43 = 64,580.58/x
  3. Step 3: Cross multiply
    126,857.70x = 190,217.43 × 64,580.58
  4. Step 4: Simplify right side
    126,857.70x = 12,284,351,955.51
  5. Step 5: Solve for x
    x = 12,284,351,955.51/126,857.70
  6. Step 6: Final answer
    x = 96,835.68

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1.5x scale

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.