Home / 187,862.42-259,260.75-111,426.77

Finding the Fourth Proportional to 187,862.42, 259,260.75 and 111,426.77

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Solution

The fourth proportional to 187,862.42, 259,260.75 and 111,426.77 is: 153,775.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,862.42 : 259,260.75 = 111,426.77 : x
  2. Step 2: Convert to fraction form
    187,862.42/259,260.75 = 111,426.77/x
  3. Step 3: Cross multiply
    187,862.42x = 259,260.75 × 111,426.77
  4. Step 4: Simplify right side
    187,862.42x = 28,888,588,608.43
  5. Step 5: Solve for x
    x = 28,888,588,608.43/187,862.42
  6. Step 6: Final answer
    x = 153,775.24

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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.