Home / 102,146.04-153,313.86-52,261.86

Finding the Fourth Proportional to 102,146.04, 153,313.86 and 52,261.86

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Solution

The fourth proportional to 102,146.04, 153,313.86 and 52,261.86 is: 78,441.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,146.04 : 153,313.86 = 52,261.86 : x
  2. Step 2: Convert to fraction form
    102,146.04/153,313.86 = 52,261.86/x
  3. Step 3: Cross multiply
    102,146.04x = 153,313.86 × 52,261.86
  4. Step 4: Simplify right side
    102,146.04x = 8,012,467,487.38
  5. Step 5: Solve for x
    x = 8,012,467,487.38/102,146.04
  6. Step 6: Final answer
    x = 78,441.29

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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.