Home / 236,628.57-326,508.91-139,818.97

Finding the Fourth Proportional to 236,628.57, 326,508.91 and 139,818.97

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Solution

The fourth proportional to 236,628.57, 326,508.91 and 139,818.97 is: 192,927.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,628.57 : 326,508.91 = 139,818.97 : x
  2. Step 2: Convert to fraction form
    236,628.57/326,508.91 = 139,818.97/x
  3. Step 3: Cross multiply
    236,628.57x = 326,508.91 × 139,818.97
  4. Step 4: Simplify right side
    236,628.57x = 45,652,139,492.02
  5. Step 5: Solve for x
    x = 45,652,139,492.02/236,628.57
  6. Step 6: Final answer
    x = 192,927.42

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1.5x scale

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.