Home / 347,838.36-521,732.04-111,117.48

Finding the Fourth Proportional to 347,838.36, 521,732.04 and 111,117.48

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Solution

The fourth proportional to 347,838.36, 521,732.04 and 111,117.48 is: 166,668.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,838.36 : 521,732.04 = 111,117.48 : x
  2. Step 2: Convert to fraction form
    347,838.36/521,732.04 = 111,117.48/x
  3. Step 3: Cross multiply
    347,838.36x = 521,732.04 × 111,117.48
  4. Step 4: Simplify right side
    347,838.36x = 57,973,549,520.06
  5. Step 5: Solve for x
    x = 57,973,549,520.06/347,838.36
  6. Step 6: Final answer
    x = 166,668.07

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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.