Home / 104,810.20-157,215.30-52,322.20

Finding the Fourth Proportional to 104,810.20, 157,215.30 and 52,322.20

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Solution

The fourth proportional to 104,810.20, 157,215.30 and 52,322.20 is: 78,483.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,810.20 : 157,215.30 = 52,322.20 : x
  2. Step 2: Convert to fraction form
    104,810.20/157,215.30 = 52,322.20/x
  3. Step 3: Cross multiply
    104,810.20x = 157,215.30 × 52,322.20
  4. Step 4: Simplify right side
    104,810.20x = 8,225,850,369.66
  5. Step 5: Solve for x
    x = 8,225,850,369.66/104,810.20
  6. Step 6: Final answer
    x = 78,483.30

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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.