Home / 187,837.40-259,242.19-116,240.49

Finding the Fourth Proportional to 187,837.40, 259,242.19 and 116,240.49

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Solution

The fourth proportional to 187,837.40, 259,242.19 and 116,240.49 is: 160,428.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,837.40 : 259,242.19 = 116,240.49 : x
  2. Step 2: Convert to fraction form
    187,837.40/259,242.19 = 116,240.49/x
  3. Step 3: Cross multiply
    187,837.40x = 259,242.19 × 116,240.49
  4. Step 4: Simplify right side
    187,837.40x = 30,134,438,903.67
  5. Step 5: Solve for x
    x = 30,134,438,903.67/187,837.40
  6. Step 6: Final answer
    x = 160,428.32

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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.