Home / 354,437.27-531,689.01-141,153.74

Finding the Fourth Proportional to 354,437.27, 531,689.01 and 141,153.74

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Solution

The fourth proportional to 354,437.27, 531,689.01 and 141,153.74 is: 211,743.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,437.27 : 531,689.01 = 141,153.74 : x
  2. Step 2: Convert to fraction form
    354,437.27/531,689.01 = 141,153.74/x
  3. Step 3: Cross multiply
    354,437.27x = 531,689.01 × 141,153.74
  4. Step 4: Simplify right side
    354,437.27x = 75,049,888,914.18
  5. Step 5: Solve for x
    x = 75,049,888,914.18/354,437.27
  6. Step 6: Final answer
    x = 211,743.79

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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.