Home / 111,615.96-154,070.46-73,902.36

Finding the Fourth Proportional to 111,615.96, 154,070.46 and 73,902.36

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Solution

The fourth proportional to 111,615.96, 154,070.46 and 73,902.36 is: 102,012.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,615.96 : 154,070.46 = 73,902.36 : x
  2. Step 2: Convert to fraction form
    111,615.96/154,070.46 = 73,902.36/x
  3. Step 3: Cross multiply
    111,615.96x = 154,070.46 × 73,902.36
  4. Step 4: Simplify right side
    111,615.96x = 11,386,170,600.29
  5. Step 5: Solve for x
    x = 11,386,170,600.29/111,615.96
  6. Step 6: Final answer
    x = 102,012.03

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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.