Home / 124,774.70-172,196.08-82,303.16

Finding the Fourth Proportional to 124,774.70, 172,196.08 and 82,303.16

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Solution

The fourth proportional to 124,774.70, 172,196.08 and 82,303.16 is: 113,582.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,774.70 : 172,196.08 = 82,303.16 : x
  2. Step 2: Convert to fraction form
    124,774.70/172,196.08 = 82,303.16/x
  3. Step 3: Cross multiply
    124,774.70x = 172,196.08 × 82,303.16
  4. Step 4: Simplify right side
    124,774.70x = 14,172,280,456.87
  5. Step 5: Solve for x
    x = 14,172,280,456.87/124,774.70
  6. Step 6: Final answer
    x = 113,582.97

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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.