Home / 134,167.18-185,168.26-86,559.02

Finding the Fourth Proportional to 134,167.18, 185,168.26 and 86,559.02

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Solution

The fourth proportional to 134,167.18, 185,168.26 and 86,559.02 is: 119,462.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,167.18 : 185,168.26 = 86,559.02 : x
  2. Step 2: Convert to fraction form
    134,167.18/185,168.26 = 86,559.02/x
  3. Step 3: Cross multiply
    134,167.18x = 185,168.26 × 86,559.02
  4. Step 4: Simplify right side
    134,167.18x = 16,027,983,120.71
  5. Step 5: Solve for x
    x = 16,027,983,120.71/134,167.18
  6. Step 6: Final answer
    x = 119,462.77

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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.