Home / 144,748.30-216,882.40-102,418.58

Finding the Fourth Proportional to 144,748.30, 216,882.40 and 102,418.58

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Solution

The fourth proportional to 144,748.30, 216,882.40 and 102,418.58 is: 153,458.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,748.30 : 216,882.40 = 102,418.58 : x
  2. Step 2: Convert to fraction form
    144,748.30/216,882.40 = 102,418.58/x
  3. Step 3: Cross multiply
    144,748.30x = 216,882.40 × 102,418.58
  4. Step 4: Simplify right side
    144,748.30x = 22,212,786,549.20
  5. Step 5: Solve for x
    x = 22,212,786,549.20/144,748.30
  6. Step 6: Final answer
    x = 153,458.01

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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.