Home / 131,612.58-181,625.39-74,264.07

Finding the Fourth Proportional to 131,612.58, 181,625.39 and 74,264.07

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Solution

The fourth proportional to 131,612.58, 181,625.39 and 74,264.07 is: 102,484.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,612.58 : 181,625.39 = 74,264.07 : x
  2. Step 2: Convert to fraction form
    131,612.58/181,625.39 = 74,264.07/x
  3. Step 3: Cross multiply
    131,612.58x = 181,625.39 × 74,264.07
  4. Step 4: Simplify right side
    131,612.58x = 13,488,241,265.00
  5. Step 5: Solve for x
    x = 13,488,241,265.00/131,612.58
  6. Step 6: Final answer
    x = 102,484.44

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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.