Home / 116,319.88-160,519.26-65,333.08

Finding the Fourth Proportional to 116,319.88, 160,519.26 and 65,333.08

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Solution

The fourth proportional to 116,319.88, 160,519.26 and 65,333.08 is: 90,158.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,319.88 : 160,519.26 = 65,333.08 : x
  2. Step 2: Convert to fraction form
    116,319.88/160,519.26 = 65,333.08/x
  3. Step 3: Cross multiply
    116,319.88x = 160,519.26 × 65,333.08
  4. Step 4: Simplify right side
    116,319.88x = 10,487,217,655.12
  5. Step 5: Solve for x
    x = 10,487,217,655.12/116,319.88
  6. Step 6: Final answer
    x = 90,158.43

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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.