Home / 187,434.81-258,666.48-102,551.85

Finding the Fourth Proportional to 187,434.81, 258,666.48 and 102,551.85

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Solution

The fourth proportional to 187,434.81, 258,666.48 and 102,551.85 is: 141,525.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,434.81 : 258,666.48 = 102,551.85 : x
  2. Step 2: Convert to fraction form
    187,434.81/258,666.48 = 102,551.85/x
  3. Step 3: Cross multiply
    187,434.81x = 258,666.48 × 102,551.85
  4. Step 4: Simplify right side
    187,434.81x = 26,526,726,056.99
  5. Step 5: Solve for x
    x = 26,526,726,056.99/187,434.81
  6. Step 6: Final answer
    x = 141,525.08

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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.