Home / 187,151.10-280,738.80-98,577.60

Finding the Fourth Proportional to 187,151.10, 280,738.80 and 98,577.60

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Solution

The fourth proportional to 187,151.10, 280,738.80 and 98,577.60 is: 147,872.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,151.10 : 280,738.80 = 98,577.60 : x
  2. Step 2: Convert to fraction form
    187,151.10/280,738.80 = 98,577.60/x
  3. Step 3: Cross multiply
    187,151.10x = 280,738.80 × 98,577.60
  4. Step 4: Simplify right side
    187,151.10x = 27,674,557,130.88
  5. Step 5: Solve for x
    x = 27,674,557,130.88/187,151.10
  6. Step 6: Final answer
    x = 147,872.80

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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.