Home / 187,788.48-281,683.20-47,547.12

Finding the Fourth Proportional to 187,788.48, 281,683.20 and 47,547.12

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Solution

The fourth proportional to 187,788.48, 281,683.20 and 47,547.12 is: 71,320.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,788.48 : 281,683.20 = 47,547.12 : x
  2. Step 2: Convert to fraction form
    187,788.48/281,683.20 = 47,547.12/x
  3. Step 3: Cross multiply
    187,788.48x = 281,683.20 × 47,547.12
  4. Step 4: Simplify right side
    187,788.48x = 13,393,224,912.38
  5. Step 5: Solve for x
    x = 13,393,224,912.38/187,788.48
  6. Step 6: Final answer
    x = 71,320.80

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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.