Home / 278,732.04-384,809.79-183,515.50

Finding the Fourth Proportional to 278,732.04, 384,809.79 and 183,515.50

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Solution

The fourth proportional to 278,732.04, 384,809.79 and 183,515.50 is: 253,356.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,732.04 : 384,809.79 = 183,515.50 : x
  2. Step 2: Convert to fraction form
    278,732.04/384,809.79 = 183,515.50/x
  3. Step 3: Cross multiply
    278,732.04x = 384,809.79 × 183,515.50
  4. Step 4: Simplify right side
    278,732.04x = 70,618,561,016.75
  5. Step 5: Solve for x
    x = 70,618,561,016.75/278,732.04
  6. Step 6: Final answer
    x = 253,356.45

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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.