Home / 170,885.70-256,332.60-52,558.11

Finding the Fourth Proportional to 170,885.70, 256,332.60 and 52,558.11

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Solution

The fourth proportional to 170,885.70, 256,332.60 and 52,558.11 is: 78,838.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,885.70 : 256,332.60 = 52,558.11 : x
  2. Step 2: Convert to fraction form
    170,885.70/256,332.60 = 52,558.11/x
  3. Step 3: Cross multiply
    170,885.70x = 256,332.60 × 52,558.11
  4. Step 4: Simplify right side
    170,885.70x = 13,472,356,987.39
  5. Step 5: Solve for x
    x = 13,472,356,987.39/170,885.70
  6. Step 6: Final answer
    x = 78,838.41

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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.