Home / 283,527.73-391,268.64-154,465.57

Finding the Fourth Proportional to 283,527.73, 391,268.64 and 154,465.57

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Solution

The fourth proportional to 283,527.73, 391,268.64 and 154,465.57 is: 213,162.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,527.73 : 391,268.64 = 154,465.57 : x
  2. Step 2: Convert to fraction form
    283,527.73/391,268.64 = 154,465.57/x
  3. Step 3: Cross multiply
    283,527.73x = 391,268.64 × 154,465.57
  4. Step 4: Simplify right side
    283,527.73x = 60,437,533,500.72
  5. Step 5: Solve for x
    x = 60,437,533,500.72/283,527.73
  6. Step 6: Final answer
    x = 213,162.69

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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.