Home / 144,193.11-216,289.61-104,999.64

Finding the Fourth Proportional to 144,193.11, 216,289.61 and 104,999.64

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Solution

The fourth proportional to 144,193.11, 216,289.61 and 104,999.64 is: 157,499.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,193.11 : 216,289.61 = 104,999.64 : x
  2. Step 2: Convert to fraction form
    144,193.11/216,289.61 = 104,999.64/x
  3. Step 3: Cross multiply
    144,193.11x = 216,289.61 × 104,999.64
  4. Step 4: Simplify right side
    144,193.11x = 22,710,331,185.74
  5. Step 5: Solve for x
    x = 22,710,331,185.74/144,193.11
  6. Step 6: Final answer
    x = 157,499.42

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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.