Home / 186,612.21-279,918.30-60,271.05

Finding the Fourth Proportional to 186,612.21, 279,918.30 and 60,271.05

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Solution

The fourth proportional to 186,612.21, 279,918.30 and 60,271.05 is: 90,406.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,612.21 : 279,918.30 = 60,271.05 : x
  2. Step 2: Convert to fraction form
    186,612.21/279,918.30 = 60,271.05/x
  3. Step 3: Cross multiply
    186,612.21x = 279,918.30 × 60,271.05
  4. Step 4: Simplify right side
    186,612.21x = 16,870,969,855.22
  5. Step 5: Solve for x
    x = 16,870,969,855.22/186,612.21
  6. Step 6: Final answer
    x = 90,406.57

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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.