Home / 328,918.34-453,914.77-193,050.28

Finding the Fourth Proportional to 328,918.34, 453,914.77 and 193,050.28

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Solution

The fourth proportional to 328,918.34, 453,914.77 and 193,050.28 is: 266,413.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,918.34 : 453,914.77 = 193,050.28 : x
  2. Step 2: Convert to fraction form
    328,918.34/453,914.77 = 193,050.28/x
  3. Step 3: Cross multiply
    328,918.34x = 453,914.77 × 193,050.28
  4. Step 4: Simplify right side
    328,918.34x = 87,628,371,827.22
  5. Step 5: Solve for x
    x = 87,628,371,827.22/328,918.34
  6. Step 6: Final answer
    x = 266,413.76

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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.