Home / 187,376.24-258,575.28-102,490.40

Finding the Fourth Proportional to 187,376.24, 258,575.28 and 102,490.40

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Solution

The fourth proportional to 187,376.24, 258,575.28 and 102,490.40 is: 141,434.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,376.24 : 258,575.28 = 102,490.40 : x
  2. Step 2: Convert to fraction form
    187,376.24/258,575.28 = 102,490.40/x
  3. Step 3: Cross multiply
    187,376.24x = 258,575.28 × 102,490.40
  4. Step 4: Simplify right side
    187,376.24x = 26,501,483,877.31
  5. Step 5: Solve for x
    x = 26,501,483,877.31/187,376.24
  6. Step 6: Final answer
    x = 141,434.60

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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.