Home / 134,322.42-185,371.17-77,722.82

Finding the Fourth Proportional to 134,322.42, 185,371.17 and 77,722.82

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Solution

The fourth proportional to 134,322.42, 185,371.17 and 77,722.82 is: 107,261.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,322.42 : 185,371.17 = 77,722.82 : x
  2. Step 2: Convert to fraction form
    134,322.42/185,371.17 = 77,722.82/x
  3. Step 3: Cross multiply
    134,322.42x = 185,371.17 × 77,722.82
  4. Step 4: Simplify right side
    134,322.42x = 14,407,570,079.10
  5. Step 5: Solve for x
    x = 14,407,570,079.10/134,322.42
  6. Step 6: Final answer
    x = 107,261.10

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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.