Home / 111,090.80-166,636.08-36,210.92

Finding the Fourth Proportional to 111,090.80, 166,636.08 and 36,210.92

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Solution

The fourth proportional to 111,090.80, 166,636.08 and 36,210.92 is: 54,316.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,090.80 : 166,636.08 = 36,210.92 : x
  2. Step 2: Convert to fraction form
    111,090.80/166,636.08 = 36,210.92/x
  3. Step 3: Cross multiply
    111,090.80x = 166,636.08 × 36,210.92
  4. Step 4: Simplify right side
    111,090.80x = 6,034,045,761.99
  5. Step 5: Solve for x
    x = 6,034,045,761.99/111,090.80
  6. Step 6: Final answer
    x = 54,316.34

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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.