Home / 144,143.12-216,226.20-50,669.84

Finding the Fourth Proportional to 144,143.12, 216,226.20 and 50,669.84

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Solution

The fourth proportional to 144,143.12, 216,226.20 and 50,669.84 is: 76,008.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,143.12 : 216,226.20 = 50,669.84 : x
  2. Step 2: Convert to fraction form
    144,143.12/216,226.20 = 50,669.84/x
  3. Step 3: Cross multiply
    144,143.12x = 216,226.20 × 50,669.84
  4. Step 4: Simplify right side
    144,143.12x = 10,956,146,957.81
  5. Step 5: Solve for x
    x = 10,956,146,957.81/144,143.12
  6. Step 6: Final answer
    x = 76,008.81

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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.