Home / 111,399.48-167,050.08-52,187.40

Finding the Fourth Proportional to 111,399.48, 167,050.08 and 52,187.40

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Solution

The fourth proportional to 111,399.48, 167,050.08 and 52,187.40 is: 78,258.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,399.48 : 167,050.08 = 52,187.40 : x
  2. Step 2: Convert to fraction form
    111,399.48/167,050.08 = 52,187.40/x
  3. Step 3: Cross multiply
    111,399.48x = 167,050.08 × 52,187.40
  4. Step 4: Simplify right side
    111,399.48x = 8,717,909,344.99
  5. Step 5: Solve for x
    x = 8,717,909,344.99/111,399.48
  6. Step 6: Final answer
    x = 78,258.08

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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.