Home / 129,795.19-179,083.51-76,051.33

Finding the Fourth Proportional to 129,795.19, 179,083.51 and 76,051.33

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Solution

The fourth proportional to 129,795.19, 179,083.51 and 76,051.33 is: 104,931.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,795.19 : 179,083.51 = 76,051.33 : x
  2. Step 2: Convert to fraction form
    129,795.19/179,083.51 = 76,051.33/x
  3. Step 3: Cross multiply
    129,795.19x = 179,083.51 × 76,051.33
  4. Step 4: Simplify right side
    129,795.19x = 13,619,539,116.57
  5. Step 5: Solve for x
    x = 13,619,539,116.57/129,795.19
  6. Step 6: Final answer
    x = 104,931.00

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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.