Home / 103,637.31-154,647.66-92,467.20

Finding the Fourth Proportional to 103,637.31, 154,647.66 and 92,467.20

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Solution

The fourth proportional to 103,637.31, 154,647.66 and 92,467.20 is: 137,979.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,637.31 : 154,647.66 = 92,467.20 : x
  2. Step 2: Convert to fraction form
    103,637.31/154,647.66 = 92,467.20/x
  3. Step 3: Cross multiply
    103,637.31x = 154,647.66 × 92,467.20
  4. Step 4: Simplify right side
    103,637.31x = 14,299,836,106.75
  5. Step 5: Solve for x
    x = 14,299,836,106.75/103,637.31
  6. Step 6: Final answer
    x = 137,979.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.