Home / 144,155.94-216,239.81-49,451.25

Finding the Fourth Proportional to 144,155.94, 216,239.81 and 49,451.25

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Solution

The fourth proportional to 144,155.94, 216,239.81 and 49,451.25 is: 74,178.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,155.94 : 216,239.81 = 49,451.25 : x
  2. Step 2: Convert to fraction form
    144,155.94/216,239.81 = 49,451.25/x
  3. Step 3: Cross multiply
    144,155.94x = 216,239.81 × 49,451.25
  4. Step 4: Simplify right side
    144,155.94x = 10,693,328,904.26
  5. Step 5: Solve for x
    x = 10,693,328,904.26/144,155.94
  6. Step 6: Final answer
    x = 74,178.90

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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.