Home / 144,925.20-217,420.20-56,170.80

Finding the Fourth Proportional to 144,925.20, 217,420.20 and 56,170.80

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Solution

The fourth proportional to 144,925.20, 217,420.20 and 56,170.80 is: 84,268.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,925.20 : 217,420.20 = 56,170.80 : x
  2. Step 2: Convert to fraction form
    144,925.20/217,420.20 = 56,170.80/x
  3. Step 3: Cross multiply
    144,925.20x = 217,420.20 × 56,170.80
  4. Step 4: Simplify right side
    144,925.20x = 12,212,666,570.16
  5. Step 5: Solve for x
    x = 12,212,666,570.16/144,925.20
  6. Step 6: Final answer
    x = 84,268.76

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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.