Home / 187,610.16-258,927.03-111,123.21

Finding the Fourth Proportional to 187,610.16, 258,927.03 and 111,123.21

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Solution

The fourth proportional to 187,610.16, 258,927.03 and 111,123.21 is: 153,364.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,610.16 : 258,927.03 = 111,123.21 : x
  2. Step 2: Convert to fraction form
    187,610.16/258,927.03 = 111,123.21/x
  3. Step 3: Cross multiply
    187,610.16x = 258,927.03 × 111,123.21
  4. Step 4: Simplify right side
    187,610.16x = 28,772,802,729.37
  5. Step 5: Solve for x
    x = 28,772,802,729.37/187,610.16
  6. Step 6: Final answer
    x = 153,364.84

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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.