Home / 151,173.24-208,627.69-86,653.22

Finding the Fourth Proportional to 151,173.24, 208,627.69 and 86,653.22

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Solution

The fourth proportional to 151,173.24, 208,627.69 and 86,653.22 is: 119,586.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,173.24 : 208,627.69 = 86,653.22 : x
  2. Step 2: Convert to fraction form
    151,173.24/208,627.69 = 86,653.22/x
  3. Step 3: Cross multiply
    151,173.24x = 208,627.69 × 86,653.22
  4. Step 4: Simplify right side
    151,173.24x = 18,078,259,859.89
  5. Step 5: Solve for x
    x = 18,078,259,859.89/151,173.24
  6. Step 6: Final answer
    x = 119,586.38

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Double scale
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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.