Home / 348,530.72-522,746.67-111,842.78

Finding the Fourth Proportional to 348,530.72, 522,746.67 and 111,842.78

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Solution

The fourth proportional to 348,530.72, 522,746.67 and 111,842.78 is: 167,748.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,530.72 : 522,746.67 = 111,842.78 : x
  2. Step 2: Convert to fraction form
    348,530.72/522,746.67 = 111,842.78/x
  3. Step 3: Cross multiply
    348,530.72x = 522,746.67 × 111,842.78
  4. Step 4: Simplify right side
    348,530.72x = 58,465,440,808.54
  5. Step 5: Solve for x
    x = 58,465,440,808.54/348,530.72
  6. Step 6: Final answer
    x = 167,748.31

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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.