Home / 353,226.39-487,465.23-202,352.55

Finding the Fourth Proportional to 353,226.39, 487,465.23 and 202,352.55

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Solution

The fourth proportional to 353,226.39, 487,465.23 and 202,352.55 is: 279,253.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,226.39 : 487,465.23 = 202,352.55 : x
  2. Step 2: Convert to fraction form
    353,226.39/487,465.23 = 202,352.55/x
  3. Step 3: Cross multiply
    353,226.39x = 487,465.23 × 202,352.55
  4. Step 4: Simplify right side
    353,226.39x = 98,639,832,326.84
  5. Step 5: Solve for x
    x = 98,639,832,326.84/353,226.39
  6. Step 6: Final answer
    x = 279,253.86

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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.