Home / 286,892.06-430,338.39-106,974.74

Finding the Fourth Proportional to 286,892.06, 430,338.39 and 106,974.74

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Solution

The fourth proportional to 286,892.06, 430,338.39 and 106,974.74 is: 160,462.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,892.06 : 430,338.39 = 106,974.74 : x
  2. Step 2: Convert to fraction form
    286,892.06/430,338.39 = 106,974.74/x
  3. Step 3: Cross multiply
    286,892.06x = 430,338.39 × 106,974.74
  4. Step 4: Simplify right side
    286,892.06x = 46,035,334,695.70
  5. Step 5: Solve for x
    x = 46,035,334,695.70/286,892.06
  6. Step 6: Final answer
    x = 160,462.22

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1.5x scale

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.