Home / 187,772.48-259,126.16-111,329.30

Finding the Fourth Proportional to 187,772.48, 259,126.16 and 111,329.30

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Solution

The fourth proportional to 187,772.48, 259,126.16 and 111,329.30 is: 153,634.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,772.48 : 259,126.16 = 111,329.30 : x
  2. Step 2: Convert to fraction form
    187,772.48/259,126.16 = 111,329.30/x
  3. Step 3: Cross multiply
    187,772.48x = 259,126.16 × 111,329.30
  4. Step 4: Simplify right side
    187,772.48x = 28,848,334,004.49
  5. Step 5: Solve for x
    x = 28,848,334,004.49/187,772.48
  6. Step 6: Final answer
    x = 153,634.52

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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.