Home / 347,835.38-521,727.55-111,114.50

Finding the Fourth Proportional to 347,835.38, 521,727.55 and 111,114.50

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Solution

The fourth proportional to 347,835.38, 521,727.55 and 111,114.50 is: 166,663.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,835.38 : 521,727.55 = 111,114.50 : x
  2. Step 2: Convert to fraction form
    347,835.38/521,727.55 = 111,114.50/x
  3. Step 3: Cross multiply
    347,835.38x = 521,727.55 × 111,114.50
  4. Step 4: Simplify right side
    347,835.38x = 57,971,495,854.48
  5. Step 5: Solve for x
    x = 57,971,495,854.48/347,835.38
  6. Step 6: Final answer
    x = 166,663.60

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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.