Home / 174,042.12-239,841.84-123,653.64

Finding the Fourth Proportional to 174,042.12, 239,841.84 and 123,653.64

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Solution

The fourth proportional to 174,042.12, 239,841.84 and 123,653.64 is: 170,403.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,042.12 : 239,841.84 = 123,653.64 : x
  2. Step 2: Convert to fraction form
    174,042.12/239,841.84 = 123,653.64/x
  3. Step 3: Cross multiply
    174,042.12x = 239,841.84 × 123,653.64
  4. Step 4: Simplify right side
    174,042.12x = 29,657,316,540.30
  5. Step 5: Solve for x
    x = 29,657,316,540.30/174,042.12
  6. Step 6: Final answer
    x = 170,403.10

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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.