Home / 125,800.32-188,563.22-61,802.51

Finding the Fourth Proportional to 125,800.32, 188,563.22 and 61,802.51

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Solution

The fourth proportional to 125,800.32, 188,563.22 and 61,802.51 is: 92,636.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,800.32 : 188,563.22 = 61,802.51 : x
  2. Step 2: Convert to fraction form
    125,800.32/188,563.22 = 61,802.51/x
  3. Step 3: Cross multiply
    125,800.32x = 188,563.22 × 61,802.51
  4. Step 4: Simplify right side
    125,800.32x = 11,653,679,360.96
  5. Step 5: Solve for x
    x = 11,653,679,360.96/125,800.32
  6. Step 6: Final answer
    x = 92,636.33

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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.