Home / 316,716.12-437,071.86-180,768.42

Finding the Fourth Proportional to 316,716.12, 437,071.86 and 180,768.42

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Solution

The fourth proportional to 316,716.12, 437,071.86 and 180,768.42 is: 249,462.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,716.12 : 437,071.86 = 180,768.42 : x
  2. Step 2: Convert to fraction form
    316,716.12/437,071.86 = 180,768.42/x
  3. Step 3: Cross multiply
    316,716.12x = 437,071.86 × 180,768.42
  4. Step 4: Simplify right side
    316,716.12x = 79,008,789,558.66
  5. Step 5: Solve for x
    x = 79,008,789,558.66/316,716.12
  6. Step 6: Final answer
    x = 249,462.48

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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.