Home / 187,150.26-258,293.70-119,145.51

Finding the Fourth Proportional to 187,150.26, 258,293.70 and 119,145.51

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Solution

The fourth proportional to 187,150.26, 258,293.70 and 119,145.51 is: 164,437.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,150.26 : 258,293.70 = 119,145.51 : x
  2. Step 2: Convert to fraction form
    187,150.26/258,293.70 = 119,145.51/x
  3. Step 3: Cross multiply
    187,150.26x = 258,293.70 × 119,145.51
  4. Step 4: Simplify right side
    187,150.26x = 30,774,534,616.29
  5. Step 5: Solve for x
    x = 30,774,534,616.29/187,150.26
  6. Step 6: Final answer
    x = 164,437.57

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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.