Home / 187,216.14-258,328.08-106,645.23

Finding the Fourth Proportional to 187,216.14, 258,328.08 and 106,645.23

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Solution

The fourth proportional to 187,216.14, 258,328.08 and 106,645.23 is: 147,153.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,216.14 : 258,328.08 = 106,645.23 : x
  2. Step 2: Convert to fraction form
    187,216.14/258,328.08 = 106,645.23/x
  3. Step 3: Cross multiply
    187,216.14x = 258,328.08 × 106,645.23
  4. Step 4: Simplify right side
    187,216.14x = 27,549,457,507.06
  5. Step 5: Solve for x
    x = 27,549,457,507.06/187,216.14
  6. Step 6: Final answer
    x = 147,153.22

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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.