Home / 259,144.61-357,631.71-151,749.23

Finding the Fourth Proportional to 259,144.61, 357,631.71 and 151,749.23

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Solution

The fourth proportional to 259,144.61, 357,631.71 and 151,749.23 is: 209,421.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,144.61 : 357,631.71 = 151,749.23 : x
  2. Step 2: Convert to fraction form
    259,144.61/357,631.71 = 151,749.23/x
  3. Step 3: Cross multiply
    259,144.61x = 357,631.71 × 151,749.23
  4. Step 4: Simplify right side
    259,144.61x = 54,270,336,616.08
  5. Step 5: Solve for x
    x = 54,270,336,616.08/259,144.61
  6. Step 6: Final answer
    x = 209,421.05

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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.