Home / 187,035.90-258,045.51-106,443.24

Finding the Fourth Proportional to 187,035.90, 258,045.51 and 106,443.24

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Solution

The fourth proportional to 187,035.90, 258,045.51 and 106,443.24 is: 146,855.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,035.90 : 258,045.51 = 106,443.24 : x
  2. Step 2: Convert to fraction form
    187,035.90/258,045.51 = 106,443.24/x
  3. Step 3: Cross multiply
    187,035.90x = 258,045.51 × 106,443.24
  4. Step 4: Simplify right side
    187,035.90x = 27,467,200,151.85
  5. Step 5: Solve for x
    x = 27,467,200,151.85/187,035.90
  6. Step 6: Final answer
    x = 146,855.23

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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.