Home / 144,355.61-216,514.90-60,100.06

Finding the Fourth Proportional to 144,355.61, 216,514.90 and 60,100.06

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Solution

The fourth proportional to 144,355.61, 216,514.90 and 60,100.06 is: 90,142.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,355.61 : 216,514.90 = 60,100.06 : x
  2. Step 2: Convert to fraction form
    144,355.61/216,514.90 = 60,100.06/x
  3. Step 3: Cross multiply
    144,355.61x = 216,514.90 × 60,100.06
  4. Step 4: Simplify right side
    144,355.61x = 13,012,558,480.89
  5. Step 5: Solve for x
    x = 13,012,558,480.89/144,355.61
  6. Step 6: Final answer
    x = 90,142.38

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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.