Home / 326,298.12-450,291.33-190,425.48

Finding the Fourth Proportional to 326,298.12, 450,291.33 and 190,425.48

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Solution

The fourth proportional to 326,298.12, 450,291.33 and 190,425.48 is: 262,787.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,298.12 : 450,291.33 = 190,425.48 : x
  2. Step 2: Convert to fraction form
    326,298.12/450,291.33 = 190,425.48/x
  3. Step 3: Cross multiply
    326,298.12x = 450,291.33 × 190,425.48
  4. Step 4: Simplify right side
    326,298.12x = 85,746,942,655.09
  5. Step 5: Solve for x
    x = 85,746,942,655.09/326,298.12
  6. Step 6: Final answer
    x = 262,787.12

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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.