Home / 230,863.40-346,251.36-81,068.48

Finding the Fourth Proportional to 230,863.40, 346,251.36 and 81,068.48

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Solution

The fourth proportional to 230,863.40, 346,251.36 and 81,068.48 is: 121,587.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,863.40 : 346,251.36 = 81,068.48 : x
  2. Step 2: Convert to fraction form
    230,863.40/346,251.36 = 81,068.48/x
  3. Step 3: Cross multiply
    230,863.40x = 346,251.36 × 81,068.48
  4. Step 4: Simplify right side
    230,863.40x = 28,070,071,453.13
  5. Step 5: Solve for x
    x = 28,070,071,453.13/230,863.40
  6. Step 6: Final answer
    x = 121,587.36

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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.