Home / 161,917.30-242,547.90-91,714.60

Finding the Fourth Proportional to 161,917.30, 242,547.90 and 91,714.60

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Solution

The fourth proportional to 161,917.30, 242,547.90 and 91,714.60 is: 137,386.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,917.30 : 242,547.90 = 91,714.60 : x
  2. Step 2: Convert to fraction form
    161,917.30/242,547.90 = 91,714.60/x
  3. Step 3: Cross multiply
    161,917.30x = 242,547.90 × 91,714.60
  4. Step 4: Simplify right side
    161,917.30x = 22,245,183,629.34
  5. Step 5: Solve for x
    x = 22,245,183,629.34/161,917.30
  6. Step 6: Final answer
    x = 137,386.08

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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.