Home / 347,835.13-521,727.18-111,114.25

Finding the Fourth Proportional to 347,835.13, 521,727.18 and 111,114.25

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Solution

The fourth proportional to 347,835.13, 521,727.18 and 111,114.25 is: 166,663.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,835.13 : 521,727.18 = 111,114.25 : x
  2. Step 2: Convert to fraction form
    347,835.13/521,727.18 = 111,114.25/x
  3. Step 3: Cross multiply
    347,835.13x = 521,727.18 × 111,114.25
  4. Step 4: Simplify right side
    347,835.13x = 57,971,323,754.74
  5. Step 5: Solve for x
    x = 57,971,323,754.74/347,835.13
  6. Step 6: Final answer
    x = 166,663.22

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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.