Home / 110,333.36-165,450.90-31,428.92

Finding the Fourth Proportional to 110,333.36, 165,450.90 and 31,428.92

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Solution

The fourth proportional to 110,333.36, 165,450.90 and 31,428.92 is: 47,129.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,333.36 : 165,450.90 = 31,428.92 : x
  2. Step 2: Convert to fraction form
    110,333.36/165,450.90 = 31,428.92/x
  3. Step 3: Cross multiply
    110,333.36x = 165,450.90 × 31,428.92
  4. Step 4: Simplify right side
    110,333.36x = 5,199,943,100.03
  5. Step 5: Solve for x
    x = 5,199,943,100.03/110,333.36
  6. Step 6: Final answer
    x = 47,129.38

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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.