Home / 188,290.00-259,726.10-111,758.67

Finding the Fourth Proportional to 188,290.00, 259,726.10 and 111,758.67

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Solution

The fourth proportional to 188,290.00, 259,726.10 and 111,758.67 is: 154,159.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,290.00 : 259,726.10 = 111,758.67 : x
  2. Step 2: Convert to fraction form
    188,290.00/259,726.10 = 111,758.67/x
  3. Step 3: Cross multiply
    188,290.00x = 259,726.10 × 111,758.67
  4. Step 4: Simplify right side
    188,290.00x = 29,026,642,941.49
  5. Step 5: Solve for x
    x = 29,026,642,941.49/188,290.00
  6. Step 6: Final answer
    x = 154,159.24

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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.