Home / 187,495.24-281,264.68-65,878.40

Finding the Fourth Proportional to 187,495.24, 281,264.68 and 65,878.40

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Solution

The fourth proportional to 187,495.24, 281,264.68 and 65,878.40 is: 98,825.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,495.24 : 281,264.68 = 65,878.40 : x
  2. Step 2: Convert to fraction form
    187,495.24/281,264.68 = 65,878.40/x
  3. Step 3: Cross multiply
    187,495.24x = 281,264.68 × 65,878.40
  4. Step 4: Simplify right side
    187,495.24x = 18,529,267,094.91
  5. Step 5: Solve for x
    x = 18,529,267,094.91/187,495.24
  6. Step 6: Final answer
    x = 98,825.27

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1.5x scale

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.