Home / 314,110.56-471,121.38-100,897

Finding the Fourth Proportional to 314,110.56, 471,121.38 and 100,897

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Solution

The fourth proportional to 314,110.56, 471,121.38 and 100,897 is: 151,331.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,110.56 : 471,121.38 = 100,897 : x
  2. Step 2: Convert to fraction form
    314,110.56/471,121.38 = 100,897/x
  3. Step 3: Cross multiply
    314,110.56x = 471,121.38 × 100,897
  4. Step 4: Simplify right side
    314,110.56x = 47,534,733,877.86
  5. Step 5: Solve for x
    x = 47,534,733,877.86/314,110.56
  6. Step 6: Final answer
    x = 151,331.22

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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.