Home / 187,957.12-259,395.80-106,302.60

Finding the Fourth Proportional to 187,957.12, 259,395.80 and 106,302.60

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Solution

The fourth proportional to 187,957.12, 259,395.80 and 106,302.60 is: 146,706.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,957.12 : 259,395.80 = 106,302.60 : x
  2. Step 2: Convert to fraction form
    187,957.12/259,395.80 = 106,302.60/x
  3. Step 3: Cross multiply
    187,957.12x = 259,395.80 × 106,302.60
  4. Step 4: Simplify right side
    187,957.12x = 27,574,447,969.08
  5. Step 5: Solve for x
    x = 27,574,447,969.08/187,957.12
  6. Step 6: Final answer
    x = 146,706.06

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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.