Home / 291,536.55-402,182.96-170,603.64

Finding the Fourth Proportional to 291,536.55, 402,182.96 and 170,603.64

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Solution

The fourth proportional to 291,536.55, 402,182.96 and 170,603.64 is: 235,352.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,536.55 : 402,182.96 = 170,603.64 : x
  2. Step 2: Convert to fraction form
    291,536.55/402,182.96 = 170,603.64/x
  3. Step 3: Cross multiply
    291,536.55x = 402,182.96 × 170,603.64
  4. Step 4: Simplify right side
    291,536.55x = 68,613,876,068.96
  5. Step 5: Solve for x
    x = 68,613,876,068.96/291,536.55
  6. Step 6: Final answer
    x = 235,352.57

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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.