Home / 293,434.20-440,280.90-135,581.40

Finding the Fourth Proportional to 293,434.20, 440,280.90 and 135,581.40

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Solution

The fourth proportional to 293,434.20, 440,280.90 and 135,581.40 is: 203,431.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,434.20 : 440,280.90 = 135,581.40 : x
  2. Step 2: Convert to fraction form
    293,434.20/440,280.90 = 135,581.40/x
  3. Step 3: Cross multiply
    293,434.20x = 440,280.90 × 135,581.40
  4. Step 4: Simplify right side
    293,434.20x = 59,693,900,815.26
  5. Step 5: Solve for x
    x = 59,693,900,815.26/293,434.20
  6. Step 6: Final answer
    x = 203,431.98

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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.