Home / 459,616.51-689,424.96-144,098.02

Finding the Fourth Proportional to 459,616.51, 689,424.96 and 144,098.02

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Solution

The fourth proportional to 459,616.51, 689,424.96 and 144,098.02 is: 216,147.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,616.51 : 689,424.96 = 144,098.02 : x
  2. Step 2: Convert to fraction form
    459,616.51/689,424.96 = 144,098.02/x
  3. Step 3: Cross multiply
    459,616.51x = 689,424.96 × 144,098.02
  4. Step 4: Simplify right side
    459,616.51x = 99,344,768,227.45
  5. Step 5: Solve for x
    x = 99,344,768,227.45/459,616.51
  6. Step 6: Final answer
    x = 216,147.09

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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.