Home / 146,136.48-201,673.56-84,878.16

Finding the Fourth Proportional to 146,136.48, 201,673.56 and 84,878.16

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Solution

The fourth proportional to 146,136.48, 201,673.56 and 84,878.16 is: 117,134.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,136.48 : 201,673.56 = 84,878.16 : x
  2. Step 2: Convert to fraction form
    146,136.48/201,673.56 = 84,878.16/x
  3. Step 3: Cross multiply
    146,136.48x = 201,673.56 × 84,878.16
  4. Step 4: Simplify right side
    146,136.48x = 17,117,680,693.45
  5. Step 5: Solve for x
    x = 17,117,680,693.45/146,136.48
  6. Step 6: Final answer
    x = 117,134.89

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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.