Home / 210,683.23-290,671.64-119,974.87

Finding the Fourth Proportional to 210,683.23, 290,671.64 and 119,974.87

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Solution

The fourth proportional to 210,683.23, 290,671.64 and 119,974.87 is: 165,524.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,683.23 : 290,671.64 = 119,974.87 : x
  2. Step 2: Convert to fraction form
    210,683.23/290,671.64 = 119,974.87/x
  3. Step 3: Cross multiply
    210,683.23x = 290,671.64 × 119,974.87
  4. Step 4: Simplify right side
    210,683.23x = 34,873,292,435.06
  5. Step 5: Solve for x
    x = 34,873,292,435.06/210,683.23
  6. Step 6: Final answer
    x = 165,524.77

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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.