Home / 151,663.26-209,297.46-83,683.20

Finding the Fourth Proportional to 151,663.26, 209,297.46 and 83,683.20

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Solution

The fourth proportional to 151,663.26, 209,297.46 and 83,683.20 is: 115,484.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,663.26 : 209,297.46 = 83,683.20 : x
  2. Step 2: Convert to fraction form
    151,663.26/209,297.46 = 83,683.20/x
  3. Step 3: Cross multiply
    151,663.26x = 209,297.46 × 83,683.20
  4. Step 4: Simplify right side
    151,663.26x = 17,514,681,204.67
  5. Step 5: Solve for x
    x = 17,514,681,204.67/151,663.26
  6. Step 6: Final answer
    x = 115,484.01

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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.