Home / 187,106.23-258,291.56-119,216.28

Finding the Fourth Proportional to 187,106.23, 258,291.56 and 119,216.28

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Solution

The fourth proportional to 187,106.23, 258,291.56 and 119,216.28 is: 164,572.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,106.23 : 258,291.56 = 119,216.28 : x
  2. Step 2: Convert to fraction form
    187,106.23/258,291.56 = 119,216.28/x
  3. Step 3: Cross multiply
    187,106.23x = 258,291.56 × 119,216.28
  4. Step 4: Simplify right side
    187,106.23x = 30,792,558,938.60
  5. Step 5: Solve for x
    x = 30,792,558,938.60/187,106.23
  6. Step 6: Final answer
    x = 164,572.60

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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.