Home / 471,272.85-706,821.45-151,430.25

Finding the Fourth Proportional to 471,272.85, 706,821.45 and 151,430.25

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Solution

The fourth proportional to 471,272.85, 706,821.45 and 151,430.25 is: 227,117.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,272.85 : 706,821.45 = 151,430.25 : x
  2. Step 2: Convert to fraction form
    471,272.85/706,821.45 = 151,430.25/x
  3. Step 3: Cross multiply
    471,272.85x = 706,821.45 × 151,430.25
  4. Step 4: Simplify right side
    471,272.85x = 107,034,148,878.86
  5. Step 5: Solve for x
    x = 107,034,148,878.86/471,272.85
  6. Step 6: Final answer
    x = 227,117.15

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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.