Home / 211,837.60-317,756.16-54,066.08

Finding the Fourth Proportional to 211,837.60, 317,756.16 and 54,066.08

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Solution

The fourth proportional to 211,837.60, 317,756.16 and 54,066.08 is: 81,099.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,837.60 : 317,756.16 = 54,066.08 : x
  2. Step 2: Convert to fraction form
    211,837.60/317,756.16 = 54,066.08/x
  3. Step 3: Cross multiply
    211,837.60x = 317,756.16 × 54,066.08
  4. Step 4: Simplify right side
    211,837.60x = 17,179,829,967.05
  5. Step 5: Solve for x
    x = 17,179,829,967.05/211,837.60
  6. Step 6: Final answer
    x = 81,099.06

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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.