Home / 161,306.97-241,802.78-72,582.81

Finding the Fourth Proportional to 161,306.97, 241,802.78 and 72,582.81

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Solution

The fourth proportional to 161,306.97, 241,802.78 and 72,582.81 is: 108,803.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,306.97 : 241,802.78 = 72,582.81 : x
  2. Step 2: Convert to fraction form
    161,306.97/241,802.78 = 72,582.81/x
  3. Step 3: Cross multiply
    161,306.97x = 241,802.78 × 72,582.81
  4. Step 4: Simplify right side
    161,306.97x = 17,550,724,875.30
  5. Step 5: Solve for x
    x = 17,550,724,875.30/161,306.97
  6. Step 6: Final answer
    x = 108,803.26

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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.