Home / 144,520.64-216,850.08-51,070.40

Finding the Fourth Proportional to 144,520.64, 216,850.08 and 51,070.40

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Solution

The fourth proportional to 144,520.64, 216,850.08 and 51,070.40 is: 76,630.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,520.64 : 216,850.08 = 51,070.40 : x
  2. Step 2: Convert to fraction form
    144,520.64/216,850.08 = 51,070.40/x
  3. Step 3: Cross multiply
    144,520.64x = 216,850.08 × 51,070.40
  4. Step 4: Simplify right side
    144,520.64x = 11,074,620,325.63
  5. Step 5: Solve for x
    x = 11,074,620,325.63/144,520.64
  6. Step 6: Final answer
    x = 76,630.03

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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.