Home / 151,445.26-208,995.88-83,464.68

Finding the Fourth Proportional to 151,445.26, 208,995.88 and 83,464.68

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Solution

The fourth proportional to 151,445.26, 208,995.88 and 83,464.68 is: 115,182.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,445.26 : 208,995.88 = 83,464.68 : x
  2. Step 2: Convert to fraction form
    151,445.26/208,995.88 = 83,464.68/x
  3. Step 3: Cross multiply
    151,445.26x = 208,995.88 × 83,464.68
  4. Step 4: Simplify right side
    151,445.26x = 17,443,774,245.52
  5. Step 5: Solve for x
    x = 17,443,774,245.52/151,445.26
  6. Step 6: Final answer
    x = 115,182.05

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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.