Home / 144,584.40-216,865.80-60,322.80

Finding the Fourth Proportional to 144,584.40, 216,865.80 and 60,322.80

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Solution

The fourth proportional to 144,584.40, 216,865.80 and 60,322.80 is: 90,479.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,584.40 : 216,865.80 = 60,322.80 : x
  2. Step 2: Convert to fraction form
    144,584.40/216,865.80 = 60,322.80/x
  3. Step 3: Cross multiply
    144,584.40x = 216,865.80 × 60,322.80
  4. Step 4: Simplify right side
    144,584.40x = 13,081,952,280.24
  5. Step 5: Solve for x
    x = 13,081,952,280.24/144,584.40
  6. Step 6: Final answer
    x = 90,479.69

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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.