Home / 152,922.26-211,032.72-85,854.26

Finding the Fourth Proportional to 152,922.26, 211,032.72 and 85,854.26

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Solution

The fourth proportional to 152,922.26, 211,032.72 and 85,854.26 is: 118,478.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,922.26 : 211,032.72 = 85,854.26 : x
  2. Step 2: Convert to fraction form
    152,922.26/211,032.72 = 85,854.26/x
  3. Step 3: Cross multiply
    152,922.26x = 211,032.72 × 85,854.26
  4. Step 4: Simplify right side
    152,922.26x = 18,118,058,011.39
  5. Step 5: Solve for x
    x = 18,118,058,011.39/152,922.26
  6. Step 6: Final answer
    x = 118,478.88

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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.