Home / 423,539.85-635,263.29-124,023.42

Finding the Fourth Proportional to 423,539.85, 635,263.29 and 124,023.42

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Solution

The fourth proportional to 423,539.85, 635,263.29 and 124,023.42 is: 186,021.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,539.85 : 635,263.29 = 124,023.42 : x
  2. Step 2: Convert to fraction form
    423,539.85/635,263.29 = 124,023.42/x
  3. Step 3: Cross multiply
    423,539.85x = 635,263.29 × 124,023.42
  4. Step 4: Simplify right side
    423,539.85x = 78,787,525,826.25
  5. Step 5: Solve for x
    x = 78,787,525,826.25/423,539.85
  6. Step 6: Final answer
    x = 186,021.52

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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.