Home / 328,918.17-453,907.08-178,015.17

Finding the Fourth Proportional to 328,918.17, 453,907.08 and 178,015.17

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Solution

The fourth proportional to 328,918.17, 453,907.08 and 178,015.17 is: 245,660.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,918.17 : 453,907.08 = 178,015.17 : x
  2. Step 2: Convert to fraction form
    328,918.17/453,907.08 = 178,015.17/x
  3. Step 3: Cross multiply
    328,918.17x = 453,907.08 × 178,015.17
  4. Step 4: Simplify right side
    328,918.17x = 80,802,346,010.40
  5. Step 5: Solve for x
    x = 80,802,346,010.40/328,918.17
  6. Step 6: Final answer
    x = 245,660.94

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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.