Home / 102,157.24-153,279.93-38,996.32

Finding the Fourth Proportional to 102,157.24, 153,279.93 and 38,996.32

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Solution

The fourth proportional to 102,157.24, 153,279.93 and 38,996.32 is: 58,511.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,157.24 : 153,279.93 = 38,996.32 : x
  2. Step 2: Convert to fraction form
    102,157.24/153,279.93 = 38,996.32/x
  3. Step 3: Cross multiply
    102,157.24x = 153,279.93 × 38,996.32
  4. Step 4: Simplify right side
    102,157.24x = 5,977,353,199.86
  5. Step 5: Solve for x
    x = 5,977,353,199.86/102,157.24
  6. Step 6: Final answer
    x = 58,511.30

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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.