Home / 187,628.16-258,926.88-102,750.48

Finding the Fourth Proportional to 187,628.16, 258,926.88 and 102,750.48

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Solution

The fourth proportional to 187,628.16, 258,926.88 and 102,750.48 is: 141,795.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,628.16 : 258,926.88 = 102,750.48 : x
  2. Step 2: Convert to fraction form
    187,628.16/258,926.88 = 102,750.48/x
  3. Step 3: Cross multiply
    187,628.16x = 258,926.88 × 102,750.48
  4. Step 4: Simplify right side
    187,628.16x = 26,604,861,204.90
  5. Step 5: Solve for x
    x = 26,604,861,204.90/187,628.16
  6. Step 6: Final answer
    x = 141,795.67

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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.