Home / 187,964.24-259,319.48-119,983.76

Finding the Fourth Proportional to 187,964.24, 259,319.48 and 119,983.76

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Solution

The fourth proportional to 187,964.24, 259,319.48 and 119,983.76 is: 165,532.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,964.24 : 259,319.48 = 119,983.76 : x
  2. Step 2: Convert to fraction form
    187,964.24/259,319.48 = 119,983.76/x
  3. Step 3: Cross multiply
    187,964.24x = 259,319.48 × 119,983.76
  4. Step 4: Simplify right side
    187,964.24x = 31,114,126,251.64
  5. Step 5: Solve for x
    x = 31,114,126,251.64/187,964.24
  6. Step 6: Final answer
    x = 165,532.16

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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.