Home / 210,101.38-289,936.50-114,605.98

Finding the Fourth Proportional to 210,101.38, 289,936.50 and 114,605.98

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Solution

The fourth proportional to 210,101.38, 289,936.50 and 114,605.98 is: 158,154.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,101.38 : 289,936.50 = 114,605.98 : x
  2. Step 2: Convert to fraction form
    210,101.38/289,936.50 = 114,605.98/x
  3. Step 3: Cross multiply
    210,101.38x = 289,936.50 × 114,605.98
  4. Step 4: Simplify right side
    210,101.38x = 33,228,456,720.27
  5. Step 5: Solve for x
    x = 33,228,456,720.27/210,101.38
  6. Step 6: Final answer
    x = 158,154.40

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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.