Home / 459,716.16-689,575.08-144,197.52

Finding the Fourth Proportional to 459,716.16, 689,575.08 and 144,197.52

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Solution

The fourth proportional to 459,716.16, 689,575.08 and 144,197.52 is: 216,296.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,716.16 : 689,575.08 = 144,197.52 : x
  2. Step 2: Convert to fraction form
    459,716.16/689,575.08 = 144,197.52/x
  3. Step 3: Cross multiply
    459,716.16x = 689,575.08 × 144,197.52
  4. Step 4: Simplify right side
    459,716.16x = 99,435,016,389.80
  5. Step 5: Solve for x
    x = 99,435,016,389.80/459,716.16
  6. Step 6: Final answer
    x = 216,296.54

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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.