Home / 125,217.48-172,699.59-110,078.04

Finding the Fourth Proportional to 125,217.48, 172,699.59 and 110,078.04

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Solution

The fourth proportional to 125,217.48, 172,699.59 and 110,078.04 is: 151,819.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,217.48 : 172,699.59 = 110,078.04 : x
  2. Step 2: Convert to fraction form
    125,217.48/172,699.59 = 110,078.04/x
  3. Step 3: Cross multiply
    125,217.48x = 172,699.59 × 110,078.04
  4. Step 4: Simplify right side
    125,217.48x = 19,010,432,376.00
  5. Step 5: Solve for x
    x = 19,010,432,376.00/125,217.48
  6. Step 6: Final answer
    x = 151,819.32

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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.