Home / 102,208.20-153,312.30-93,022.80

Finding the Fourth Proportional to 102,208.20, 153,312.30 and 93,022.80

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Solution

The fourth proportional to 102,208.20, 153,312.30 and 93,022.80 is: 139,534.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,208.20 : 153,312.30 = 93,022.80 : x
  2. Step 2: Convert to fraction form
    102,208.20/153,312.30 = 93,022.80/x
  3. Step 3: Cross multiply
    102,208.20x = 153,312.30 × 93,022.80
  4. Step 4: Simplify right side
    102,208.20x = 14,261,539,420.44
  5. Step 5: Solve for x
    x = 14,261,539,420.44/102,208.20
  6. Step 6: Final answer
    x = 139,534.20

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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.