Home / 318,411.05-439,470.06-182,536.23

Finding the Fourth Proportional to 318,411.05, 439,470.06 and 182,536.23

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Solution

The fourth proportional to 318,411.05, 439,470.06 and 182,536.23 is: 251,936.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,411.05 : 439,470.06 = 182,536.23 : x
  2. Step 2: Convert to fraction form
    318,411.05/439,470.06 = 182,536.23/x
  3. Step 3: Cross multiply
    318,411.05x = 439,470.06 × 182,536.23
  4. Step 4: Simplify right side
    318,411.05x = 80,219,208,913.78
  5. Step 5: Solve for x
    x = 80,219,208,913.78/318,411.05
  6. Step 6: Final answer
    x = 251,936.01

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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.