Home / 328,941.12-453,947.04-201,686.88

Finding the Fourth Proportional to 328,941.12, 453,947.04 and 201,686.88

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Solution

The fourth proportional to 328,941.12, 453,947.04 and 201,686.88 is: 278,332.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,941.12 : 453,947.04 = 201,686.88 : x
  2. Step 2: Convert to fraction form
    328,941.12/453,947.04 = 201,686.88/x
  3. Step 3: Cross multiply
    328,941.12x = 453,947.04 × 201,686.88
  4. Step 4: Simplify right side
    328,941.12x = 91,555,162,182.84
  5. Step 5: Solve for x
    x = 91,555,162,182.84/328,941.12
  6. Step 6: Final answer
    x = 278,332.98

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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.