Home / 175,207.04-262,828.88-80,421.04

Finding the Fourth Proportional to 175,207.04, 262,828.88 and 80,421.04

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Solution

The fourth proportional to 175,207.04, 262,828.88 and 80,421.04 is: 120,639.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,207.04 : 262,828.88 = 80,421.04 : x
  2. Step 2: Convert to fraction form
    175,207.04/262,828.88 = 80,421.04/x
  3. Step 3: Cross multiply
    175,207.04x = 262,828.88 × 80,421.04
  4. Step 4: Simplify right side
    175,207.04x = 21,136,971,871.64
  5. Step 5: Solve for x
    x = 21,136,971,871.64/175,207.04
  6. Step 6: Final answer
    x = 120,639.97

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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.