Home / 316,862.21-437,280.01-173,631.35

Finding the Fourth Proportional to 316,862.21, 437,280.01 and 173,631.35

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Solution

The fourth proportional to 316,862.21, 437,280.01 and 173,631.35 is: 239,616.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,862.21 : 437,280.01 = 173,631.35 : x
  2. Step 2: Convert to fraction form
    316,862.21/437,280.01 = 173,631.35/x
  3. Step 3: Cross multiply
    316,862.21x = 437,280.01 × 173,631.35
  4. Step 4: Simplify right side
    316,862.21x = 75,925,515,843.84
  5. Step 5: Solve for x
    x = 75,925,515,843.84/316,862.21
  6. Step 6: Final answer
    x = 239,616.83

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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.