Home / 212,122.77-292,721.92-116,628.72

Finding the Fourth Proportional to 212,122.77, 292,721.92 and 116,628.72

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Solution

The fourth proportional to 212,122.77, 292,721.92 and 116,628.72 is: 160,943.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,122.77 : 292,721.92 = 116,628.72 : x
  2. Step 2: Convert to fraction form
    212,122.77/292,721.92 = 116,628.72/x
  3. Step 3: Cross multiply
    212,122.77x = 292,721.92 × 116,628.72
  4. Step 4: Simplify right side
    212,122.77x = 34,139,782,845.54
  5. Step 5: Solve for x
    x = 34,139,782,845.54/212,122.77
  6. Step 6: Final answer
    x = 160,943.51

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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.