Home / 170,755.82-235,656.51-99,158.30

Finding the Fourth Proportional to 170,755.82, 235,656.51 and 99,158.30

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Solution

The fourth proportional to 170,755.82, 235,656.51 and 99,158.30 is: 136,846.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,755.82 : 235,656.51 = 99,158.30 : x
  2. Step 2: Convert to fraction form
    170,755.82/235,656.51 = 99,158.30/x
  3. Step 3: Cross multiply
    170,755.82x = 235,656.51 × 99,158.30
  4. Step 4: Simplify right side
    170,755.82x = 23,367,298,915.53
  5. Step 5: Solve for x
    x = 23,367,298,915.53/170,755.82
  6. Step 6: Final answer
    x = 136,846.28

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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.