Home / 187,075.26-257,967.45-123,331.50

Finding the Fourth Proportional to 187,075.26, 257,967.45 and 123,331.50

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Solution

The fourth proportional to 187,075.26, 257,967.45 and 123,331.50 is: 170,067.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,075.26 : 257,967.45 = 123,331.50 : x
  2. Step 2: Convert to fraction form
    187,075.26/257,967.45 = 123,331.50/x
  3. Step 3: Cross multiply
    187,075.26x = 257,967.45 × 123,331.50
  4. Step 4: Simplify right side
    187,075.26x = 31,815,512,559.68
  5. Step 5: Solve for x
    x = 31,815,512,559.68/187,075.26
  6. Step 6: Final answer
    x = 170,067.99

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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.