Home / 459,059.96-688,535.09-122,125.25

Finding the Fourth Proportional to 459,059.96, 688,535.09 and 122,125.25

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Solution

The fourth proportional to 459,059.96, 688,535.09 and 122,125.25 is: 183,173.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,059.96 : 688,535.09 = 122,125.25 : x
  2. Step 2: Convert to fraction form
    459,059.96/688,535.09 = 122,125.25/x
  3. Step 3: Cross multiply
    459,059.96x = 688,535.09 × 122,125.25
  4. Step 4: Simplify right side
    459,059.96x = 84,087,519,389.40
  5. Step 5: Solve for x
    x = 84,087,519,389.40/459,059.96
  6. Step 6: Final answer
    x = 183,173.28

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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.