Home / 476,936.90-715,412.55-121,943.06

Finding the Fourth Proportional to 476,936.90, 715,412.55 and 121,943.06

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Solution

The fourth proportional to 476,936.90, 715,412.55 and 121,943.06 is: 182,916.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,936.90 : 715,412.55 = 121,943.06 : x
  2. Step 2: Convert to fraction form
    476,936.90/715,412.55 = 121,943.06/x
  3. Step 3: Cross multiply
    476,936.90x = 715,412.55 × 121,943.06
  4. Step 4: Simplify right side
    476,936.90x = 87,239,595,509.40
  5. Step 5: Solve for x
    x = 87,239,595,509.40/476,936.90
  6. Step 6: Final answer
    x = 182,916.43

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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.