Home / 162,812.73-244,376.75-78,632.07

Finding the Fourth Proportional to 162,812.73, 244,376.75 and 78,632.07

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Solution

The fourth proportional to 162,812.73, 244,376.75 and 78,632.07 is: 118,024.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,812.73 : 244,376.75 = 78,632.07 : x
  2. Step 2: Convert to fraction form
    162,812.73/244,376.75 = 78,632.07/x
  3. Step 3: Cross multiply
    162,812.73x = 244,376.75 × 78,632.07
  4. Step 4: Simplify right side
    162,812.73x = 19,215,849,712.37
  5. Step 5: Solve for x
    x = 19,215,849,712.37/162,812.73
  6. Step 6: Final answer
    x = 118,024.25

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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.