Home / 187,117.14-258,221.76-101,076.12

Finding the Fourth Proportional to 187,117.14, 258,221.76 and 101,076.12

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Solution

The fourth proportional to 187,117.14, 258,221.76 and 101,076.12 is: 139,485.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,117.14 : 258,221.76 = 101,076.12 : x
  2. Step 2: Convert to fraction form
    187,117.14/258,221.76 = 101,076.12/x
  3. Step 3: Cross multiply
    187,117.14x = 258,221.76 × 101,076.12
  4. Step 4: Simplify right side
    187,117.14x = 26,100,053,600.37
  5. Step 5: Solve for x
    x = 26,100,053,600.37/187,117.14
  6. Step 6: Final answer
    x = 139,485.10

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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.