Home / 329,117.34-493,695.09-92,478.36

Finding the Fourth Proportional to 329,117.34, 493,695.09 and 92,478.36

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Solution

The fourth proportional to 329,117.34, 493,695.09 and 92,478.36 is: 138,722.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,117.34 : 493,695.09 = 92,478.36 : x
  2. Step 2: Convert to fraction form
    329,117.34/493,695.09 = 92,478.36/x
  3. Step 3: Cross multiply
    329,117.34x = 493,695.09 × 92,478.36
  4. Step 4: Simplify right side
    329,117.34x = 45,656,112,263.25
  5. Step 5: Solve for x
    x = 45,656,112,263.25/329,117.34
  6. Step 6: Final answer
    x = 138,722.90

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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.