Home / 123,429.96-170,333.01-66,841.32

Finding the Fourth Proportional to 123,429.96, 170,333.01 and 66,841.32

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Solution

The fourth proportional to 123,429.96, 170,333.01 and 66,841.32 is: 92,240.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,429.96 : 170,333.01 = 66,841.32 : x
  2. Step 2: Convert to fraction form
    123,429.96/170,333.01 = 66,841.32/x
  3. Step 3: Cross multiply
    123,429.96x = 170,333.01 × 66,841.32
  4. Step 4: Simplify right side
    123,429.96x = 11,385,283,227.97
  5. Step 5: Solve for x
    x = 11,385,283,227.97/123,429.96
  6. Step 6: Final answer
    x = 92,240.84

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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.