Home / 278,731.04-384,808.41-183,514.50

Finding the Fourth Proportional to 278,731.04, 384,808.41 and 183,514.50

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Solution

The fourth proportional to 278,731.04, 384,808.41 and 183,514.50 is: 253,355.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,731.04 : 384,808.41 = 183,514.50 : x
  2. Step 2: Convert to fraction form
    278,731.04/384,808.41 = 183,514.50/x
  3. Step 3: Cross multiply
    278,731.04x = 384,808.41 × 183,514.50
  4. Step 4: Simplify right side
    278,731.04x = 70,617,922,956.95
  5. Step 5: Solve for x
    x = 70,617,922,956.95/278,731.04
  6. Step 6: Final answer
    x = 253,355.08

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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.