Home / 102,616.30-153,924.45-92,118.70

Finding the Fourth Proportional to 102,616.30, 153,924.45 and 92,118.70

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Solution

The fourth proportional to 102,616.30, 153,924.45 and 92,118.70 is: 138,178.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,616.30 : 153,924.45 = 92,118.70 : x
  2. Step 2: Convert to fraction form
    102,616.30/153,924.45 = 92,118.70/x
  3. Step 3: Cross multiply
    102,616.30x = 153,924.45 × 92,118.70
  4. Step 4: Simplify right side
    102,616.30x = 14,179,320,232.22
  5. Step 5: Solve for x
    x = 14,179,320,232.22/102,616.30
  6. Step 6: Final answer
    x = 138,178.05

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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.