Home / 188,325.18-259,885.80-103,442.24

Finding the Fourth Proportional to 188,325.18, 259,885.80 and 103,442.24

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Solution

The fourth proportional to 188,325.18, 259,885.80 and 103,442.24 is: 142,748.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,325.18 : 259,885.80 = 103,442.24 : x
  2. Step 2: Convert to fraction form
    188,325.18/259,885.80 = 103,442.24/x
  3. Step 3: Cross multiply
    188,325.18x = 259,885.80 × 103,442.24
  4. Step 4: Simplify right side
    188,325.18x = 26,883,169,296.19
  5. Step 5: Solve for x
    x = 26,883,169,296.19/188,325.18
  6. Step 6: Final answer
    x = 142,748.67

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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.