Home / 278,056.48-383,582.64-164,799.04

Finding the Fourth Proportional to 278,056.48, 383,582.64 and 164,799.04

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Solution

The fourth proportional to 278,056.48, 383,582.64 and 164,799.04 is: 227,342.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,056.48 : 383,582.64 = 164,799.04 : x
  2. Step 2: Convert to fraction form
    278,056.48/383,582.64 = 164,799.04/x
  3. Step 3: Cross multiply
    278,056.48x = 383,582.64 × 164,799.04
  4. Step 4: Simplify right side
    278,056.48x = 63,214,050,832.67
  5. Step 5: Solve for x
    x = 63,214,050,832.67/278,056.48
  6. Step 6: Final answer
    x = 227,342.48

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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.