Home / 212,123.07-292,730.24-116,629.79

Finding the Fourth Proportional to 212,123.07, 292,730.24 and 116,629.79

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Solution

The fourth proportional to 212,123.07, 292,730.24 and 116,629.79 is: 160,949.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,123.07 : 292,730.24 = 116,629.79 : x
  2. Step 2: Convert to fraction form
    212,123.07/292,730.24 = 116,629.79/x
  3. Step 3: Cross multiply
    212,123.07x = 292,730.24 × 116,629.79
  4. Step 4: Simplify right side
    212,123.07x = 34,141,066,417.85
  5. Step 5: Solve for x
    x = 34,141,066,417.85/212,123.07
  6. Step 6: Final answer
    x = 160,949.33

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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.