Home / 358,723.69-538,093.65-133,961.51

Finding the Fourth Proportional to 358,723.69, 538,093.65 and 133,961.51

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Solution

The fourth proportional to 358,723.69, 538,093.65 and 133,961.51 is: 200,945.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,723.69 : 538,093.65 = 133,961.51 : x
  2. Step 2: Convert to fraction form
    358,723.69/538,093.65 = 133,961.51/x
  3. Step 3: Cross multiply
    358,723.69x = 538,093.65 × 133,961.51
  4. Step 4: Simplify right side
    358,723.69x = 72,083,837,875.41
  5. Step 5: Solve for x
    x = 72,083,837,875.41/358,723.69
  6. Step 6: Final answer
    x = 200,945.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.