Home / 210,185.46-290,048.18-114,690.11

Finding the Fourth Proportional to 210,185.46, 290,048.18 and 114,690.11

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Solution

The fourth proportional to 210,185.46, 290,048.18 and 114,690.11 is: 158,268.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,185.46 : 290,048.18 = 114,690.11 : x
  2. Step 2: Convert to fraction form
    210,185.46/290,048.18 = 114,690.11/x
  3. Step 3: Cross multiply
    210,185.46x = 290,048.18 × 114,690.11
  4. Step 4: Simplify right side
    210,185.46x = 33,265,655,645.81
  5. Step 5: Solve for x
    x = 33,265,655,645.81/210,185.46
  6. Step 6: Final answer
    x = 158,268.11

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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.