Home / 111,852.26-154,351.77-64,071.62

Finding the Fourth Proportional to 111,852.26, 154,351.77 and 64,071.62

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Solution

The fourth proportional to 111,852.26, 154,351.77 and 64,071.62 is: 88,416.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,852.26 : 154,351.77 = 64,071.62 : x
  2. Step 2: Convert to fraction form
    111,852.26/154,351.77 = 64,071.62/x
  3. Step 3: Cross multiply
    111,852.26x = 154,351.77 × 64,071.62
  4. Step 4: Simplify right side
    111,852.26x = 9,889,567,953.77
  5. Step 5: Solve for x
    x = 9,889,567,953.77/111,852.26
  6. Step 6: Final answer
    x = 88,416.34

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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.