Home / 318,184.32-439,090.42-174,943.12

Finding the Fourth Proportional to 318,184.32, 439,090.42 and 174,943.12

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Solution

The fourth proportional to 318,184.32, 439,090.42 and 174,943.12 is: 241,419.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,184.32 : 439,090.42 = 174,943.12 : x
  2. Step 2: Convert to fraction form
    318,184.32/439,090.42 = 174,943.12/x
  3. Step 3: Cross multiply
    318,184.32x = 439,090.42 × 174,943.12
  4. Step 4: Simplify right side
    318,184.32x = 76,815,848,036.91
  5. Step 5: Solve for x
    x = 76,815,848,036.91/318,184.32
  6. Step 6: Final answer
    x = 241,419.34

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1.5x scale

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.