Home / 208,554.02-312,909.21-96,288.02

Finding the Fourth Proportional to 208,554.02, 312,909.21 and 96,288.02

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Solution

The fourth proportional to 208,554.02, 312,909.21 and 96,288.02 is: 144,468.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,554.02 : 312,909.21 = 96,288.02 : x
  2. Step 2: Convert to fraction form
    208,554.02/312,909.21 = 96,288.02/x
  3. Step 3: Cross multiply
    208,554.02x = 312,909.21 × 96,288.02
  4. Step 4: Simplify right side
    208,554.02x = 30,129,408,270.66
  5. Step 5: Solve for x
    x = 30,129,408,270.66/208,554.02
  6. Step 6: Final answer
    x = 144,468.13

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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.