Home / 459,610.95-689,527.16-144,067.86

Finding the Fourth Proportional to 459,610.95, 689,527.16 and 144,067.86

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Solution

The fourth proportional to 459,610.95, 689,527.16 and 144,067.86 is: 216,136.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,610.95 : 689,527.16 = 144,067.86 : x
  2. Step 2: Convert to fraction form
    459,610.95/689,527.16 = 144,067.86/x
  3. Step 3: Cross multiply
    459,610.95x = 689,527.16 × 144,067.86
  4. Step 4: Simplify right side
    459,610.95x = 99,338,702,353.08
  5. Step 5: Solve for x
    x = 99,338,702,353.08/459,610.95
  6. Step 6: Final answer
    x = 216,136.50

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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.