Home / 131,483.22-181,462.82-74,133.58

Finding the Fourth Proportional to 131,483.22, 181,462.82 and 74,133.58

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Solution

The fourth proportional to 131,483.22, 181,462.82 and 74,133.58 is: 102,313.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,483.22 : 181,462.82 = 74,133.58 : x
  2. Step 2: Convert to fraction form
    131,483.22/181,462.82 = 74,133.58/x
  3. Step 3: Cross multiply
    131,483.22x = 181,462.82 × 74,133.58
  4. Step 4: Simplify right side
    131,483.22x = 13,452,488,483.50
  5. Step 5: Solve for x
    x = 13,452,488,483.50/131,483.22
  6. Step 6: Final answer
    x = 102,313.35

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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.