Home / 144,708.30-216,904.05-51,165.90

Finding the Fourth Proportional to 144,708.30, 216,904.05 and 51,165.90

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Solution

The fourth proportional to 144,708.30, 216,904.05 and 51,165.90 is: 76,692.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,708.30 : 216,904.05 = 51,165.90 : x
  2. Step 2: Convert to fraction form
    144,708.30/216,904.05 = 51,165.90/x
  3. Step 3: Cross multiply
    144,708.30x = 216,904.05 × 51,165.90
  4. Step 4: Simplify right side
    144,708.30x = 11,098,090,931.90
  5. Step 5: Solve for x
    x = 11,098,090,931.90/144,708.30
  6. Step 6: Final answer
    x = 76,692.84

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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.