Home / 144,628.90-216,943.35-51,144.10

Finding the Fourth Proportional to 144,628.90, 216,943.35 and 51,144.10

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Solution

The fourth proportional to 144,628.90, 216,943.35 and 51,144.10 is: 76,716.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,628.90 : 216,943.35 = 51,144.10 : x
  2. Step 2: Convert to fraction form
    144,628.90/216,943.35 = 51,144.10/x
  3. Step 3: Cross multiply
    144,628.90x = 216,943.35 × 51,144.10
  4. Step 4: Simplify right side
    144,628.90x = 11,095,372,386.74
  5. Step 5: Solve for x
    x = 11,095,372,386.74/144,628.90
  6. Step 6: Final answer
    x = 76,716.15

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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.