Home / 152,884.35-211,080.33-99,322.02

Finding the Fourth Proportional to 152,884.35, 211,080.33 and 99,322.02

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Solution

The fourth proportional to 152,884.35, 211,080.33 and 99,322.02 is: 137,129.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,884.35 : 211,080.33 = 99,322.02 : x
  2. Step 2: Convert to fraction form
    152,884.35/211,080.33 = 99,322.02/x
  3. Step 3: Cross multiply
    152,884.35x = 211,080.33 × 99,322.02
  4. Step 4: Simplify right side
    152,884.35x = 20,964,924,757.87
  5. Step 5: Solve for x
    x = 20,964,924,757.87/152,884.35
  6. Step 6: Final answer
    x = 137,129.31

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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.