Home / 384,249.02-530,376.26-223,176.47

Finding the Fourth Proportional to 384,249.02, 530,376.26 and 223,176.47

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Solution

The fourth proportional to 384,249.02, 530,376.26 and 223,176.47 is: 308,048.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,249.02 : 530,376.26 = 223,176.47 : x
  2. Step 2: Convert to fraction form
    384,249.02/530,376.26 = 223,176.47/x
  3. Step 3: Cross multiply
    384,249.02x = 530,376.26 × 223,176.47
  4. Step 4: Simplify right side
    384,249.02x = 118,367,497,710.84
  5. Step 5: Solve for x
    x = 118,367,497,710.84/384,249.02
  6. Step 6: Final answer
    x = 308,048.93

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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.