Home / 187,368.30-258,574.41-102,485.37

Finding the Fourth Proportional to 187,368.30, 258,574.41 and 102,485.37

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Solution

The fourth proportional to 187,368.30, 258,574.41 and 102,485.37 is: 141,433.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,368.30 : 258,574.41 = 102,485.37 : x
  2. Step 2: Convert to fraction form
    187,368.30/258,574.41 = 102,485.37/x
  3. Step 3: Cross multiply
    187,368.30x = 258,574.41 × 102,485.37
  4. Step 4: Simplify right side
    187,368.30x = 26,500,094,081.38
  5. Step 5: Solve for x
    x = 26,500,094,081.38/187,368.30
  6. Step 6: Final answer
    x = 141,433.18

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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.