Home / 141,470.72-212,206.12-36,289.68

Finding the Fourth Proportional to 141,470.72, 212,206.12 and 36,289.68

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Solution

The fourth proportional to 141,470.72, 212,206.12 and 36,289.68 is: 54,434.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,470.72 : 212,206.12 = 36,289.68 : x
  2. Step 2: Convert to fraction form
    141,470.72/212,206.12 = 36,289.68/x
  3. Step 3: Cross multiply
    141,470.72x = 212,206.12 × 36,289.68
  4. Step 4: Simplify right side
    141,470.72x = 7,700,892,188.84
  5. Step 5: Solve for x
    x = 7,700,892,188.84/141,470.72
  6. Step 6: Final answer
    x = 54,434.53

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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.