Home / 144,076.56-198,931-93,119.44

Finding the Fourth Proportional to 144,076.56, 198,931 and 93,119.44

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Solution

The fourth proportional to 144,076.56, 198,931 and 93,119.44 is: 128,572.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,076.56 : 198,931 = 93,119.44 : x
  2. Step 2: Convert to fraction form
    144,076.56/198,931 = 93,119.44/x
  3. Step 3: Cross multiply
    144,076.56x = 198,931 × 93,119.44
  4. Step 4: Simplify right side
    144,076.56x = 18,524,343,318.64
  5. Step 5: Solve for x
    x = 18,524,343,318.64/144,076.56
  6. Step 6: Final answer
    x = 128,572.92

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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.