Home / 144,136.32-216,306.54-50,649.36

Finding the Fourth Proportional to 144,136.32, 216,306.54 and 50,649.36

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Solution

The fourth proportional to 144,136.32, 216,306.54 and 50,649.36 is: 76,009.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,136.32 : 216,306.54 = 50,649.36 : x
  2. Step 2: Convert to fraction form
    144,136.32/216,306.54 = 50,649.36/x
  3. Step 3: Cross multiply
    144,136.32x = 216,306.54 × 50,649.36
  4. Step 4: Simplify right side
    144,136.32x = 10,955,787,814.81
  5. Step 5: Solve for x
    x = 10,955,787,814.81/144,136.32
  6. Step 6: Final answer
    x = 76,009.90

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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.