Home / 125,688.51-188,539.74-41,445.27

Finding the Fourth Proportional to 125,688.51, 188,539.74 and 41,445.27

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Solution

The fourth proportional to 125,688.51, 188,539.74 and 41,445.27 is: 62,170.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,688.51 : 188,539.74 = 41,445.27 : x
  2. Step 2: Convert to fraction form
    125,688.51/188,539.74 = 41,445.27/x
  3. Step 3: Cross multiply
    125,688.51x = 188,539.74 × 41,445.27
  4. Step 4: Simplify right side
    125,688.51x = 7,814,080,430.03
  5. Step 5: Solve for x
    x = 7,814,080,430.03/125,688.51
  6. Step 6: Final answer
    x = 62,170.20

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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.