Home / 144,513.20-216,737.40-94,941.20

Finding the Fourth Proportional to 144,513.20, 216,737.40 and 94,941.20

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Solution

The fourth proportional to 144,513.20, 216,737.40 and 94,941.20 is: 142,390.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,513.20 : 216,737.40 = 94,941.20 : x
  2. Step 2: Convert to fraction form
    144,513.20/216,737.40 = 94,941.20/x
  3. Step 3: Cross multiply
    144,513.20x = 216,737.40 × 94,941.20
  4. Step 4: Simplify right side
    144,513.20x = 20,577,308,840.88
  5. Step 5: Solve for x
    x = 20,577,308,840.88/144,513.20
  6. Step 6: Final answer
    x = 142,390.51

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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.