Home / 149,006.22-205,599.06-83,597.16

Finding the Fourth Proportional to 149,006.22, 205,599.06 and 83,597.16

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Solution

The fourth proportional to 149,006.22, 205,599.06 and 83,597.16 is: 115,347.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,006.22 : 205,599.06 = 83,597.16 : x
  2. Step 2: Convert to fraction form
    149,006.22/205,599.06 = 83,597.16/x
  3. Step 3: Cross multiply
    149,006.22x = 205,599.06 × 83,597.16
  4. Step 4: Simplify right side
    149,006.22x = 17,187,497,514.67
  5. Step 5: Solve for x
    x = 17,187,497,514.67/149,006.22
  6. Step 6: Final answer
    x = 115,347.52

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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.