Home / 439,581.12-659,425.05-124,038.06

Finding the Fourth Proportional to 439,581.12, 659,425.05 and 124,038.06

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Solution

The fourth proportional to 439,581.12, 659,425.05 and 124,038.06 is: 186,072.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,581.12 : 659,425.05 = 124,038.06 : x
  2. Step 2: Convert to fraction form
    439,581.12/659,425.05 = 124,038.06/x
  3. Step 3: Cross multiply
    439,581.12x = 659,425.05 × 124,038.06
  4. Step 4: Simplify right side
    439,581.12x = 81,793,803,917.40
  5. Step 5: Solve for x
    x = 81,793,803,917.40/439,581.12
  6. Step 6: Final answer
    x = 186,072.15

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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.