Home / 316,878.12-437,284.26-173,631.24

Finding the Fourth Proportional to 316,878.12, 437,284.26 and 173,631.24

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Solution

The fourth proportional to 316,878.12, 437,284.26 and 173,631.24 is: 239,606.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,878.12 : 437,284.26 = 173,631.24 : x
  2. Step 2: Convert to fraction form
    316,878.12/437,284.26 = 173,631.24/x
  3. Step 3: Cross multiply
    316,878.12x = 437,284.26 × 173,631.24
  4. Step 4: Simplify right side
    316,878.12x = 75,926,208,296.28
  5. Step 5: Solve for x
    x = 75,926,208,296.28/316,878.12
  6. Step 6: Final answer
    x = 239,606.98

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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.