Home / 104,657.10-156,985.65-103,672.95

Finding the Fourth Proportional to 104,657.10, 156,985.65 and 103,672.95

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Solution

The fourth proportional to 104,657.10, 156,985.65 and 103,672.95 is: 155,509.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,657.10 : 156,985.65 = 103,672.95 : x
  2. Step 2: Convert to fraction form
    104,657.10/156,985.65 = 103,672.95/x
  3. Step 3: Cross multiply
    104,657.10x = 156,985.65 × 103,672.95
  4. Step 4: Simplify right side
    104,657.10x = 16,275,165,443.17
  5. Step 5: Solve for x
    x = 16,275,165,443.17/104,657.10
  6. Step 6: Final answer
    x = 155,509.43

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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.