Home / 187,480.58-258,683.18-111,023.70

Finding the Fourth Proportional to 187,480.58, 258,683.18 and 111,023.70

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Solution

The fourth proportional to 187,480.58, 258,683.18 and 111,023.70 is: 153,189.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,480.58 : 258,683.18 = 111,023.70 : x
  2. Step 2: Convert to fraction form
    187,480.58/258,683.18 = 111,023.70/x
  3. Step 3: Cross multiply
    187,480.58x = 258,683.18 × 111,023.70
  4. Step 4: Simplify right side
    187,480.58x = 28,719,963,771.37
  5. Step 5: Solve for x
    x = 28,719,963,771.37/187,480.58
  6. Step 6: Final answer
    x = 153,189.01

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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.