Home / 187,219.81-258,300.27-106,590.28

Finding the Fourth Proportional to 187,219.81, 258,300.27 and 106,590.28

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Solution

The fourth proportional to 187,219.81, 258,300.27 and 106,590.28 is: 147,058.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,219.81 : 258,300.27 = 106,590.28 : x
  2. Step 2: Convert to fraction form
    187,219.81/258,300.27 = 106,590.28/x
  3. Step 3: Cross multiply
    187,219.81x = 258,300.27 × 106,590.28
  4. Step 4: Simplify right side
    187,219.81x = 27,532,297,642.15
  5. Step 5: Solve for x
    x = 27,532,297,642.15/187,219.81
  6. Step 6: Final answer
    x = 147,058.68

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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.