Home / 104,168.18-143,657.60-68,344.58

Finding the Fourth Proportional to 104,168.18, 143,657.60 and 68,344.58

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Solution

The fourth proportional to 104,168.18, 143,657.60 and 68,344.58 is: 94,253.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,168.18 : 143,657.60 = 68,344.58 : x
  2. Step 2: Convert to fraction form
    104,168.18/143,657.60 = 68,344.58/x
  3. Step 3: Cross multiply
    104,168.18x = 143,657.60 × 68,344.58
  4. Step 4: Simplify right side
    104,168.18x = 9,818,218,335.81
  5. Step 5: Solve for x
    x = 9,818,218,335.81/104,168.18
  6. Step 6: Final answer
    x = 94,253.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.