Home / 459,610.32-689,526.21-144,067.23

Finding the Fourth Proportional to 459,610.32, 689,526.21 and 144,067.23

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Solution

The fourth proportional to 459,610.32, 689,526.21 and 144,067.23 is: 216,135.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,610.32 : 689,526.21 = 144,067.23 : x
  2. Step 2: Convert to fraction form
    459,610.32/689,526.21 = 144,067.23/x
  3. Step 3: Cross multiply
    459,610.32x = 689,526.21 × 144,067.23
  4. Step 4: Simplify right side
    459,610.32x = 99,338,131,087.10
  5. Step 5: Solve for x
    x = 99,338,131,087.10/459,610.32
  6. Step 6: Final answer
    x = 216,135.55

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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.