Home / 459,154.71-688,730.99-122,195.25

Finding the Fourth Proportional to 459,154.71, 688,730.99 and 122,195.25

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Solution

The fourth proportional to 459,154.71, 688,730.99 and 122,195.25 is: 183,292.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,154.71 : 688,730.99 = 122,195.25 : x
  2. Step 2: Convert to fraction form
    459,154.71/688,730.99 = 122,195.25/x
  3. Step 3: Cross multiply
    459,154.71x = 688,730.99 × 122,195.25
  4. Step 4: Simplify right side
    459,154.71x = 84,159,654,894.82
  5. Step 5: Solve for x
    x = 84,159,654,894.82/459,154.71
  6. Step 6: Final answer
    x = 183,292.59

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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.