Home / 144,564.20-217,364.70-121,754.60

Finding the Fourth Proportional to 144,564.20, 217,364.70 and 121,754.60

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Solution

The fourth proportional to 144,564.20, 217,364.70 and 121,754.60 is: 183,068.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,564.20 : 217,364.70 = 121,754.60 : x
  2. Step 2: Convert to fraction form
    144,564.20/217,364.70 = 121,754.60/x
  3. Step 3: Cross multiply
    144,564.20x = 217,364.70 × 121,754.60
  4. Step 4: Simplify right side
    144,564.20x = 26,465,152,102.62
  5. Step 5: Solve for x
    x = 26,465,152,102.62/144,564.20
  6. Step 6: Final answer
    x = 183,068.51

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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.