Home / 141,808.20-212,712.30-48,313.95

Finding the Fourth Proportional to 141,808.20, 212,712.30 and 48,313.95

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Solution

The fourth proportional to 141,808.20, 212,712.30 and 48,313.95 is: 72,470.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,808.20 : 212,712.30 = 48,313.95 : x
  2. Step 2: Convert to fraction form
    141,808.20/212,712.30 = 48,313.95/x
  3. Step 3: Cross multiply
    141,808.20x = 212,712.30 × 48,313.95
  4. Step 4: Simplify right side
    141,808.20x = 10,276,971,426.59
  5. Step 5: Solve for x
    x = 10,276,971,426.59/141,808.20
  6. Step 6: Final answer
    x = 72,470.93

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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.