Home / 104,347.63-156,453.40-68,701.05

Finding the Fourth Proportional to 104,347.63, 156,453.40 and 68,701.05

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Solution

The fourth proportional to 104,347.63, 156,453.40 and 68,701.05 is: 103,006.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,347.63 : 156,453.40 = 68,701.05 : x
  2. Step 2: Convert to fraction form
    104,347.63/156,453.40 = 68,701.05/x
  3. Step 3: Cross multiply
    104,347.63x = 156,453.40 × 68,701.05
  4. Step 4: Simplify right side
    104,347.63x = 10,748,512,856.07
  5. Step 5: Solve for x
    x = 10,748,512,856.07/104,347.63
  6. Step 6: Final answer
    x = 103,006.78

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1.5x scale

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.