Home / 348,526.72-522,740.67-111,838.78

Finding the Fourth Proportional to 348,526.72, 522,740.67 and 111,838.78

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Solution

The fourth proportional to 348,526.72, 522,740.67 and 111,838.78 is: 167,742.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,526.72 : 522,740.67 = 111,838.78 : x
  2. Step 2: Convert to fraction form
    348,526.72/522,740.67 = 111,838.78/x
  3. Step 3: Cross multiply
    348,526.72x = 522,740.67 × 111,838.78
  4. Step 4: Simplify right side
    348,526.72x = 58,462,678,789.18
  5. Step 5: Solve for x
    x = 58,462,678,789.18/348,526.72
  6. Step 6: Final answer
    x = 167,742.31

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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.