Home / 118,193.21-176,367.96-105,455.39

Finding the Fourth Proportional to 118,193.21, 176,367.96 and 105,455.39

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Solution

The fourth proportional to 118,193.21, 176,367.96 and 105,455.39 is: 157,360.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,193.21 : 176,367.96 = 105,455.39 : x
  2. Step 2: Convert to fraction form
    118,193.21/176,367.96 = 105,455.39/x
  3. Step 3: Cross multiply
    118,193.21x = 176,367.96 × 105,455.39
  4. Step 4: Simplify right side
    118,193.21x = 18,598,952,314.98
  5. Step 5: Solve for x
    x = 18,598,952,314.98/118,193.21
  6. Step 6: Final answer
    x = 157,360.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.