Home / 144,637.20-216,858.60-65,710.80

Finding the Fourth Proportional to 144,637.20, 216,858.60 and 65,710.80

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Solution

The fourth proportional to 144,637.20, 216,858.60 and 65,710.80 is: 98,522.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,637.20 : 216,858.60 = 65,710.80 : x
  2. Step 2: Convert to fraction form
    144,637.20/216,858.60 = 65,710.80/x
  3. Step 3: Cross multiply
    144,637.20x = 216,858.60 × 65,710.80
  4. Step 4: Simplify right side
    144,637.20x = 14,249,952,092.88
  5. Step 5: Solve for x
    x = 14,249,952,092.88/144,637.20
  6. Step 6: Final answer
    x = 98,522.04

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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.