Home / 187,904.06-259,318.20-111,468.40

Finding the Fourth Proportional to 187,904.06, 259,318.20 and 111,468.40

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Solution

The fourth proportional to 187,904.06, 259,318.20 and 111,468.40 is: 153,832.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,904.06 : 259,318.20 = 111,468.40 : x
  2. Step 2: Convert to fraction form
    187,904.06/259,318.20 = 111,468.40/x
  3. Step 3: Cross multiply
    187,904.06x = 259,318.20 × 111,468.40
  4. Step 4: Simplify right side
    187,904.06x = 28,905,784,844.88
  5. Step 5: Solve for x
    x = 28,905,784,844.88/187,904.06
  6. Step 6: Final answer
    x = 153,832.68

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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.