Home / 259,868.16-358,518.48-157,857.36

Finding the Fourth Proportional to 259,868.16, 358,518.48 and 157,857.36

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Solution

The fourth proportional to 259,868.16, 358,518.48 and 157,857.36 is: 217,782.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,868.16 : 358,518.48 = 157,857.36 : x
  2. Step 2: Convert to fraction form
    259,868.16/358,518.48 = 157,857.36/x
  3. Step 3: Cross multiply
    259,868.16x = 358,518.48 × 157,857.36
  4. Step 4: Simplify right side
    259,868.16x = 56,594,780,764.01
  5. Step 5: Solve for x
    x = 56,594,780,764.01/259,868.16
  6. Step 6: Final answer
    x = 217,782.67

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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.