Home / 210,101.11-289,937.68-114,605.75

Finding the Fourth Proportional to 210,101.11, 289,937.68 and 114,605.75

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Solution

The fourth proportional to 210,101.11, 289,937.68 and 114,605.75 is: 158,154.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,101.11 : 289,937.68 = 114,605.75 : x
  2. Step 2: Convert to fraction form
    210,101.11/289,937.68 = 114,605.75/x
  3. Step 3: Cross multiply
    210,101.11x = 289,937.68 × 114,605.75
  4. Step 4: Simplify right side
    210,101.11x = 33,228,525,707.99
  5. Step 5: Solve for x
    x = 33,228,525,707.99/210,101.11
  6. Step 6: Final answer
    x = 158,154.93

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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.