Home / 187,581.50-258,838.36-107,004.22

Finding the Fourth Proportional to 187,581.50, 258,838.36 and 107,004.22

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Solution

The fourth proportional to 187,581.50, 258,838.36 and 107,004.22 is: 147,652.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,581.50 : 258,838.36 = 107,004.22 : x
  2. Step 2: Convert to fraction form
    187,581.50/258,838.36 = 107,004.22/x
  3. Step 3: Cross multiply
    187,581.50x = 258,838.36 × 107,004.22
  4. Step 4: Simplify right side
    187,581.50x = 27,696,796,817.88
  5. Step 5: Solve for x
    x = 27,696,796,817.88/187,581.50
  6. Step 6: Final answer
    x = 147,652.07

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1.5x scale

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.