Home / 129,795.95-179,118.29-73,207.33

Finding the Fourth Proportional to 129,795.95, 179,118.29 and 73,207.33

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Solution

The fourth proportional to 129,795.95, 179,118.29 and 73,207.33 is: 101,026.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,795.95 : 179,118.29 = 73,207.33 : x
  2. Step 2: Convert to fraction form
    129,795.95/179,118.29 = 73,207.33/x
  3. Step 3: Cross multiply
    129,795.95x = 179,118.29 × 73,207.33
  4. Step 4: Simplify right side
    129,795.95x = 13,112,771,500.29
  5. Step 5: Solve for x
    x = 13,112,771,500.29/129,795.95
  6. Step 6: Final answer
    x = 101,026.04

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1.5x scale

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.