Home / 79,350.46-119,026.37-20,186.19

Finding the Fourth Proportional to 79,350.46, 119,026.37 and 20,186.19

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Solution

The fourth proportional to 79,350.46, 119,026.37 and 20,186.19 is: 30,279.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,350.46 : 119,026.37 = 20,186.19 : x
  2. Step 2: Convert to fraction form
    79,350.46/119,026.37 = 20,186.19/x
  3. Step 3: Cross multiply
    79,350.46x = 119,026.37 × 20,186.19
  4. Step 4: Simplify right side
    79,350.46x = 2,402,688,919.83
  5. Step 5: Solve for x
    x = 2,402,688,919.83/79,350.46
  6. Step 6: Final answer
    x = 30,279.46

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1.5x scale

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.