Home / 134,119.44-185,094.72-88,719

Finding the Fourth Proportional to 134,119.44, 185,094.72 and 88,719

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Solution

The fourth proportional to 134,119.44, 185,094.72 and 88,719 is: 122,438.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,119.44 : 185,094.72 = 88,719 : x
  2. Step 2: Convert to fraction form
    134,119.44/185,094.72 = 88,719/x
  3. Step 3: Cross multiply
    134,119.44x = 185,094.72 × 88,719
  4. Step 4: Simplify right side
    134,119.44x = 16,421,418,463.68
  5. Step 5: Solve for x
    x = 16,421,418,463.68/134,119.44
  6. Step 6: Final answer
    x = 122,438.76

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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.