Home / 326,320.88-450,349.96-181,140.33

Finding the Fourth Proportional to 326,320.88, 450,349.96 and 181,140.33

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Solution

The fourth proportional to 326,320.88, 450,349.96 and 181,140.33 is: 249,988.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,320.88 : 450,349.96 = 181,140.33 : x
  2. Step 2: Convert to fraction form
    326,320.88/450,349.96 = 181,140.33/x
  3. Step 3: Cross multiply
    326,320.88x = 450,349.96 × 181,140.33
  4. Step 4: Simplify right side
    326,320.88x = 81,576,540,369.89
  5. Step 5: Solve for x
    x = 81,576,540,369.89/326,320.88
  6. Step 6: Final answer
    x = 249,988.72

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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.