Home / 111,429.09-167,056.11-76,262.13

Finding the Fourth Proportional to 111,429.09, 167,056.11 and 76,262.13

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Solution

The fourth proportional to 111,429.09, 167,056.11 and 76,262.13 is: 114,333.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,429.09 : 167,056.11 = 76,262.13 : x
  2. Step 2: Convert to fraction form
    111,429.09/167,056.11 = 76,262.13/x
  3. Step 3: Cross multiply
    111,429.09x = 167,056.11 × 76,262.13
  4. Step 4: Simplify right side
    111,429.09x = 12,740,054,778.11
  5. Step 5: Solve for x
    x = 12,740,054,778.11/111,429.09
  6. Step 6: Final answer
    x = 114,333.29

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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.