Home / 136,483.52-188,341.20-76,060.76

Finding the Fourth Proportional to 136,483.52, 188,341.20 and 76,060.76

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Solution

The fourth proportional to 136,483.52, 188,341.20 and 76,060.76 is: 104,960.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,483.52 : 188,341.20 = 76,060.76 : x
  2. Step 2: Convert to fraction form
    136,483.52/188,341.20 = 76,060.76/x
  3. Step 3: Cross multiply
    136,483.52x = 188,341.20 × 76,060.76
  4. Step 4: Simplify right side
    136,483.52x = 14,325,373,869.61
  5. Step 5: Solve for x
    x = 14,325,373,869.61/136,483.52
  6. Step 6: Final answer
    x = 104,960.47

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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.