Home / 144,898.12-217,361-45,031.42

Finding the Fourth Proportional to 144,898.12, 217,361 and 45,031.42

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Solution

The fourth proportional to 144,898.12, 217,361 and 45,031.42 is: 67,551.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,898.12 : 217,361 = 45,031.42 : x
  2. Step 2: Convert to fraction form
    144,898.12/217,361 = 45,031.42/x
  3. Step 3: Cross multiply
    144,898.12x = 217,361 × 45,031.42
  4. Step 4: Simplify right side
    144,898.12x = 9,788,074,482.62
  5. Step 5: Solve for x
    x = 9,788,074,482.62/144,898.12
  6. Step 6: Final answer
    x = 67,551.42

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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.