Home / 319,281.12-440,588.70-183,285.36

Finding the Fourth Proportional to 319,281.12, 440,588.70 and 183,285.36

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Solution

The fourth proportional to 319,281.12, 440,588.70 and 183,285.36 is: 252,922.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,281.12 : 440,588.70 = 183,285.36 : x
  2. Step 2: Convert to fraction form
    319,281.12/440,588.70 = 183,285.36/x
  3. Step 3: Cross multiply
    319,281.12x = 440,588.70 × 183,285.36
  4. Step 4: Simplify right side
    319,281.12x = 80,753,458,491.43
  5. Step 5: Solve for x
    x = 80,753,458,491.43/319,281.12
  6. Step 6: Final answer
    x = 252,922.75

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1.5x scale

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.