Home / 108,770.04-150,104.07-81,497.70

Finding the Fourth Proportional to 108,770.04, 150,104.07 and 81,497.70

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Solution

The fourth proportional to 108,770.04, 150,104.07 and 81,497.70 is: 112,467.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,770.04 : 150,104.07 = 81,497.70 : x
  2. Step 2: Convert to fraction form
    108,770.04/150,104.07 = 81,497.70/x
  3. Step 3: Cross multiply
    108,770.04x = 150,104.07 × 81,497.70
  4. Step 4: Simplify right side
    108,770.04x = 12,233,136,465.64
  5. Step 5: Solve for x
    x = 12,233,136,465.64/108,770.04
  6. Step 6: Final answer
    x = 112,467.89

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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.