Home / 316,856.13-437,261.49-189,561.75

Finding the Fourth Proportional to 316,856.13, 437,261.49 and 189,561.75

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Solution

The fourth proportional to 316,856.13, 437,261.49 and 189,561.75 is: 261,595.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,856.13 : 437,261.49 = 189,561.75 : x
  2. Step 2: Convert to fraction form
    316,856.13/437,261.49 = 189,561.75/x
  3. Step 3: Cross multiply
    316,856.13x = 437,261.49 × 189,561.75
  4. Step 4: Simplify right side
    316,856.13x = 82,888,053,252.01
  5. Step 5: Solve for x
    x = 82,888,053,252.01/316,856.13
  6. Step 6: Final answer
    x = 261,595.23

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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.