Home / 210,178.85-290,053.82-114,690.79

Finding the Fourth Proportional to 210,178.85, 290,053.82 and 114,690.79

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Solution

The fourth proportional to 210,178.85, 290,053.82 and 114,690.79 is: 158,277.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,178.85 : 290,053.82 = 114,690.79 : x
  2. Step 2: Convert to fraction form
    210,178.85/290,053.82 = 114,690.79/x
  3. Step 3: Cross multiply
    210,178.85x = 290,053.82 × 114,690.79
  4. Step 4: Simplify right side
    210,178.85x = 33,266,500,459.73
  5. Step 5: Solve for x
    x = 33,266,500,459.73/210,178.85
  6. Step 6: Final answer
    x = 158,277.11

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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.