Home / 334,857.20-502,285.80-193,139.60

Finding the Fourth Proportional to 334,857.20, 502,285.80 and 193,139.60

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Solution

The fourth proportional to 334,857.20, 502,285.80 and 193,139.60 is: 289,709.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,857.20 : 502,285.80 = 193,139.60 : x
  2. Step 2: Convert to fraction form
    334,857.20/502,285.80 = 193,139.60/x
  3. Step 3: Cross multiply
    334,857.20x = 502,285.80 × 193,139.60
  4. Step 4: Simplify right side
    334,857.20x = 97,011,278,497.68
  5. Step 5: Solve for x
    x = 97,011,278,497.68/334,857.20
  6. Step 6: Final answer
    x = 289,709.40

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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.