Home / 134,730.19-185,963.52-79,587.82

Finding the Fourth Proportional to 134,730.19, 185,963.52 and 79,587.82

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Solution

The fourth proportional to 134,730.19, 185,963.52 and 79,587.82 is: 109,852.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,730.19 : 185,963.52 = 79,587.82 : x
  2. Step 2: Convert to fraction form
    134,730.19/185,963.52 = 79,587.82/x
  3. Step 3: Cross multiply
    134,730.19x = 185,963.52 × 79,587.82
  4. Step 4: Simplify right side
    134,730.19x = 14,800,431,156.33
  5. Step 5: Solve for x
    x = 14,800,431,156.33/134,730.19
  6. Step 6: Final answer
    x = 109,852.37

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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.