Home / 141,071.68-211,509.10-52,301.35

Finding the Fourth Proportional to 141,071.68, 211,509.10 and 52,301.35

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Solution

The fourth proportional to 141,071.68, 211,509.10 and 52,301.35 is: 78,415.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,071.68 : 211,509.10 = 52,301.35 : x
  2. Step 2: Convert to fraction form
    141,071.68/211,509.10 = 52,301.35/x
  3. Step 3: Cross multiply
    141,071.68x = 211,509.10 × 52,301.35
  4. Step 4: Simplify right side
    141,071.68x = 11,062,211,797.05
  5. Step 5: Solve for x
    x = 11,062,211,797.05/141,071.68
  6. Step 6: Final answer
    x = 78,415.54

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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.