Home / 104,364.72-156,543.84-25,479.36

Finding the Fourth Proportional to 104,364.72, 156,543.84 and 25,479.36

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Solution

The fourth proportional to 104,364.72, 156,543.84 and 25,479.36 is: 38,218.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,364.72 : 156,543.84 = 25,479.36 : x
  2. Step 2: Convert to fraction form
    104,364.72/156,543.84 = 25,479.36/x
  3. Step 3: Cross multiply
    104,364.72x = 156,543.84 × 25,479.36
  4. Step 4: Simplify right side
    104,364.72x = 3,988,636,855.14
  5. Step 5: Solve for x
    x = 3,988,636,855.14/104,364.72
  6. Step 6: Final answer
    x = 38,218.25

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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.