Home / 131,053.98-180,853.55-74,465.36

Finding the Fourth Proportional to 131,053.98, 180,853.55 and 74,465.36

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Solution

The fourth proportional to 131,053.98, 180,853.55 and 74,465.36 is: 102,761.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,053.98 : 180,853.55 = 74,465.36 : x
  2. Step 2: Convert to fraction form
    131,053.98/180,853.55 = 74,465.36/x
  3. Step 3: Cross multiply
    131,053.98x = 180,853.55 × 74,465.36
  4. Step 4: Simplify right side
    131,053.98x = 13,467,323,431.43
  5. Step 5: Solve for x
    x = 13,467,323,431.43/131,053.98
  6. Step 6: Final answer
    x = 102,761.65

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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.