Home / 144,031.36-216,044.48-38,861.44

Finding the Fourth Proportional to 144,031.36, 216,044.48 and 38,861.44

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Solution

The fourth proportional to 144,031.36, 216,044.48 and 38,861.44 is: 58,291.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,031.36 : 216,044.48 = 38,861.44 : x
  2. Step 2: Convert to fraction form
    144,031.36/216,044.48 = 38,861.44/x
  3. Step 3: Cross multiply
    144,031.36x = 216,044.48 × 38,861.44
  4. Step 4: Simplify right side
    144,031.36x = 8,395,799,596.85
  5. Step 5: Solve for x
    x = 8,395,799,596.85/144,031.36
  6. Step 6: Final answer
    x = 58,291.47

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1.5x scale

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.