Home / 187,338.08-258,533.28-106,777.76

Finding the Fourth Proportional to 187,338.08, 258,533.28 and 106,777.76

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Solution

The fourth proportional to 187,338.08, 258,533.28 and 106,777.76 is: 147,357.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,338.08 : 258,533.28 = 106,777.76 : x
  2. Step 2: Convert to fraction form
    187,338.08/258,533.28 = 106,777.76/x
  3. Step 3: Cross multiply
    187,338.08x = 258,533.28 × 106,777.76
  4. Step 4: Simplify right side
    187,338.08x = 27,605,604,523.85
  5. Step 5: Solve for x
    x = 27,605,604,523.85/187,338.08
  6. Step 6: Final answer
    x = 147,357.14

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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.