Home / 187,406.75-258,537.87-119,386.80

Finding the Fourth Proportional to 187,406.75, 258,537.87 and 119,386.80

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Solution

The fourth proportional to 187,406.75, 258,537.87 and 119,386.80 is: 164,700.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,406.75 : 258,537.87 = 119,386.80 : x
  2. Step 2: Convert to fraction form
    187,406.75/258,537.87 = 119,386.80/x
  3. Step 3: Cross multiply
    187,406.75x = 258,537.87 × 119,386.80
  4. Step 4: Simplify right side
    187,406.75x = 30,866,008,978.12
  5. Step 5: Solve for x
    x = 30,866,008,978.12/187,406.75
  6. Step 6: Final answer
    x = 164,700.63

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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.