Home / 134,175.93-185,180.30-86,567.77

Finding the Fourth Proportional to 134,175.93, 185,180.30 and 86,567.77

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Solution

The fourth proportional to 134,175.93, 185,180.30 and 86,567.77 is: 119,474.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,175.93 : 185,180.30 = 86,567.77 : x
  2. Step 2: Convert to fraction form
    134,175.93/185,180.30 = 86,567.77/x
  3. Step 3: Cross multiply
    134,175.93x = 185,180.30 × 86,567.77
  4. Step 4: Simplify right side
    134,175.93x = 16,030,645,618.93
  5. Step 5: Solve for x
    x = 16,030,645,618.93/134,175.93
  6. Step 6: Final answer
    x = 119,474.82

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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.