Home / 114,655.96-158,278.62-76,479.04

Finding the Fourth Proportional to 114,655.96, 158,278.62 and 76,479.04

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Solution

The fourth proportional to 114,655.96, 158,278.62 and 76,479.04 is: 105,576.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,655.96 : 158,278.62 = 76,479.04 : x
  2. Step 2: Convert to fraction form
    114,655.96/158,278.62 = 76,479.04/x
  3. Step 3: Cross multiply
    114,655.96x = 158,278.62 × 76,479.04
  4. Step 4: Simplify right side
    114,655.96x = 12,104,996,910.12
  5. Step 5: Solve for x
    x = 12,104,996,910.12/114,655.96
  6. Step 6: Final answer
    x = 105,576.69

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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.