Home / 187,073.16-258,166.63-102,195.69

Finding the Fourth Proportional to 187,073.16, 258,166.63 and 102,195.69

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Solution

The fourth proportional to 187,073.16, 258,166.63 and 102,195.69 is: 141,033.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,073.16 : 258,166.63 = 102,195.69 : x
  2. Step 2: Convert to fraction form
    187,073.16/258,166.63 = 102,195.69/x
  3. Step 3: Cross multiply
    187,073.16x = 258,166.63 × 102,195.69
  4. Step 4: Simplify right side
    187,073.16x = 26,383,516,887.82
  5. Step 5: Solve for x
    x = 26,383,516,887.82/187,073.16
  6. Step 6: Final answer
    x = 141,033.15

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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.