Home / 187,499.76-258,749.36-102,616.80

Finding the Fourth Proportional to 187,499.76, 258,749.36 and 102,616.80

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Solution

The fourth proportional to 187,499.76, 258,749.36 and 102,616.80 is: 141,611.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,499.76 : 258,749.36 = 102,616.80 : x
  2. Step 2: Convert to fraction form
    187,499.76/258,749.36 = 102,616.80/x
  3. Step 3: Cross multiply
    187,499.76x = 258,749.36 × 102,616.80
  4. Step 4: Simplify right side
    187,499.76x = 26,552,031,325.25
  5. Step 5: Solve for x
    x = 26,552,031,325.25/187,499.76
  6. Step 6: Final answer
    x = 141,611.01

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1.5x scale

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.