Home / 234,776.88-352,075.54-128,103.81

Finding the Fourth Proportional to 234,776.88, 352,075.54 and 128,103.81

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Solution

The fourth proportional to 234,776.88, 352,075.54 and 128,103.81 is: 192,106.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,776.88 : 352,075.54 = 128,103.81 : x
  2. Step 2: Convert to fraction form
    234,776.88/352,075.54 = 128,103.81/x
  3. Step 3: Cross multiply
    234,776.88x = 352,075.54 × 128,103.81
  4. Step 4: Simplify right side
    234,776.88x = 45,102,219,517.28
  5. Step 5: Solve for x
    x = 45,102,219,517.28/234,776.88
  6. Step 6: Final answer
    x = 192,106.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.