Home / 147,856.55-204,042.09-79,873.52

Finding the Fourth Proportional to 147,856.55, 204,042.09 and 79,873.52

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Solution

The fourth proportional to 147,856.55, 204,042.09 and 79,873.52 is: 110,225.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,856.55 : 204,042.09 = 79,873.52 : x
  2. Step 2: Convert to fraction form
    147,856.55/204,042.09 = 79,873.52/x
  3. Step 3: Cross multiply
    147,856.55x = 204,042.09 × 79,873.52
  4. Step 4: Simplify right side
    147,856.55x = 16,297,559,956.46
  5. Step 5: Solve for x
    x = 16,297,559,956.46/147,856.55
  6. Step 6: Final answer
    x = 110,225.49

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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.