Home / 157,226.08-216,558.75-120,857.98

Finding the Fourth Proportional to 157,226.08, 216,558.75 and 120,857.98

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Solution

The fourth proportional to 157,226.08, 216,558.75 and 120,857.98 is: 166,466.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,226.08 : 216,558.75 = 120,857.98 : x
  2. Step 2: Convert to fraction form
    157,226.08/216,558.75 = 120,857.98/x
  3. Step 3: Cross multiply
    157,226.08x = 216,558.75 × 120,857.98
  4. Step 4: Simplify right side
    157,226.08x = 26,172,853,076.33
  5. Step 5: Solve for x
    x = 26,172,853,076.33/157,226.08
  6. Step 6: Final answer
    x = 166,466.36

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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.