Home / 165,619.89-228,547.58-93,990.17

Finding the Fourth Proportional to 165,619.89, 228,547.58 and 93,990.17

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Solution

The fourth proportional to 165,619.89, 228,547.58 and 93,990.17 is: 129,701.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,619.89 : 228,547.58 = 93,990.17 : x
  2. Step 2: Convert to fraction form
    165,619.89/228,547.58 = 93,990.17/x
  3. Step 3: Cross multiply
    165,619.89x = 228,547.58 × 93,990.17
  4. Step 4: Simplify right side
    165,619.89x = 21,481,225,998.71
  5. Step 5: Solve for x
    x = 21,481,225,998.71/165,619.89
  6. Step 6: Final answer
    x = 129,701.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.