Home / 144,115.81-216,501.75-104,257.73

Finding the Fourth Proportional to 144,115.81, 216,501.75 and 104,257.73

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Solution

The fourth proportional to 144,115.81, 216,501.75 and 104,257.73 is: 156,623.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,115.81 : 216,501.75 = 104,257.73 : x
  2. Step 2: Convert to fraction form
    144,115.81/216,501.75 = 104,257.73/x
  3. Step 3: Cross multiply
    144,115.81x = 216,501.75 × 104,257.73
  4. Step 4: Simplify right side
    144,115.81x = 22,571,980,996.03
  5. Step 5: Solve for x
    x = 22,571,980,996.03/144,115.81
  6. Step 6: Final answer
    x = 156,623.91

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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.