Home / 210,482.14-290,450.10-114,968.56

Finding the Fourth Proportional to 210,482.14, 290,450.10 and 114,968.56

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Solution

The fourth proportional to 210,482.14, 290,450.10 and 114,968.56 is: 158,648.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,482.14 : 290,450.10 = 114,968.56 : x
  2. Step 2: Convert to fraction form
    210,482.14/290,450.10 = 114,968.56/x
  3. Step 3: Cross multiply
    210,482.14x = 290,450.10 × 114,968.56
  4. Step 4: Simplify right side
    210,482.14x = 33,392,629,748.86
  5. Step 5: Solve for x
    x = 33,392,629,748.86/210,482.14
  6. Step 6: Final answer
    x = 158,648.28

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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.