Home / 144,890.10-216,874.35-103,418.10

Finding the Fourth Proportional to 144,890.10, 216,874.35 and 103,418.10

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Solution

The fourth proportional to 144,890.10, 216,874.35 and 103,418.10 is: 154,798.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,890.10 : 216,874.35 = 103,418.10 : x
  2. Step 2: Convert to fraction form
    144,890.10/216,874.35 = 103,418.10/x
  3. Step 3: Cross multiply
    144,890.10x = 216,874.35 × 103,418.10
  4. Step 4: Simplify right side
    144,890.10x = 22,428,733,215.74
  5. Step 5: Solve for x
    x = 22,428,733,215.74/144,890.10
  6. Step 6: Final answer
    x = 154,798.25

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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.