Home / 210,412.11-290,364.23-114,919.19

Finding the Fourth Proportional to 210,412.11, 290,364.23 and 114,919.19

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Solution

The fourth proportional to 210,412.11, 290,364.23 and 114,919.19 is: 158,586.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,412.11 : 290,364.23 = 114,919.19 : x
  2. Step 2: Convert to fraction form
    210,412.11/290,364.23 = 114,919.19/x
  3. Step 3: Cross multiply
    210,412.11x = 290,364.23 × 114,919.19
  4. Step 4: Simplify right side
    210,412.11x = 33,368,420,090.16
  5. Step 5: Solve for x
    x = 33,368,420,090.16/210,412.11
  6. Step 6: Final answer
    x = 158,586.02

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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.