Home / 187,865-259,280.22-116,268.08

Finding the Fourth Proportional to 187,865, 259,280.22 and 116,268.08

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Solution

The fourth proportional to 187,865, 259,280.22 and 116,268.08 is: 160,466.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,865 : 259,280.22 = 116,268.08 : x
  2. Step 2: Convert to fraction form
    187,865/259,280.22 = 116,268.08/x
  3. Step 3: Cross multiply
    187,865x = 259,280.22 × 116,268.08
  4. Step 4: Simplify right side
    187,865x = 30,146,013,361.38
  5. Step 5: Solve for x
    x = 30,146,013,361.38/187,865
  6. Step 6: Final answer
    x = 160,466.36

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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.