Home / 215,576.15-297,495.36-117,458.87

Finding the Fourth Proportional to 215,576.15, 297,495.36 and 117,458.87

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Solution

The fourth proportional to 215,576.15, 297,495.36 and 117,458.87 is: 162,093.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,576.15 : 297,495.36 = 117,458.87 : x
  2. Step 2: Convert to fraction form
    215,576.15/297,495.36 = 117,458.87/x
  3. Step 3: Cross multiply
    215,576.15x = 297,495.36 × 117,458.87
  4. Step 4: Simplify right side
    215,576.15x = 34,943,467,328.37
  5. Step 5: Solve for x
    x = 34,943,467,328.37/215,576.15
  6. Step 6: Final answer
    x = 162,093.39

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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.