Home / 358,720.24-538,111.34-92,478.51

Finding the Fourth Proportional to 358,720.24, 538,111.34 and 92,478.51

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Solution

The fourth proportional to 358,720.24, 538,111.34 and 92,478.51 is: 138,725.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,720.24 : 538,111.34 = 92,478.51 : x
  2. Step 2: Convert to fraction form
    358,720.24/538,111.34 = 92,478.51/x
  3. Step 3: Cross multiply
    358,720.24x = 538,111.34 × 92,478.51
  4. Step 4: Simplify right side
    358,720.24x = 49,763,733,006.71
  5. Step 5: Solve for x
    x = 49,763,733,006.71/358,720.24
  6. Step 6: Final answer
    x = 138,725.75

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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.