Home / 459,667.17-689,611.19-144,124.11

Finding the Fourth Proportional to 459,667.17, 689,611.19 and 144,124.11

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Solution

The fourth proportional to 459,667.17, 689,611.19 and 144,124.11 is: 216,220.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,667.17 : 689,611.19 = 144,124.11 : x
  2. Step 2: Convert to fraction form
    459,667.17/689,611.19 = 144,124.11/x
  3. Step 3: Cross multiply
    459,667.17x = 689,611.19 × 144,124.11
  4. Step 4: Simplify right side
    459,667.17x = 99,389,598,284.17
  5. Step 5: Solve for x
    x = 99,389,598,284.17/459,667.17
  6. Step 6: Final answer
    x = 216,220.79

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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.