Home / 125,712.24-188,913.96-117,492.72

Finding the Fourth Proportional to 125,712.24, 188,913.96 and 117,492.72

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Solution

The fourth proportional to 125,712.24, 188,913.96 and 117,492.72 is: 176,562.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,712.24 : 188,913.96 = 117,492.72 : x
  2. Step 2: Convert to fraction form
    125,712.24/188,913.96 = 117,492.72/x
  3. Step 3: Cross multiply
    125,712.24x = 188,913.96 × 117,492.72
  4. Step 4: Simplify right side
    125,712.24x = 22,196,015,006.37
  5. Step 5: Solve for x
    x = 22,196,015,006.37/125,712.24
  6. Step 6: Final answer
    x = 176,562.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.