Home / 173,291.48-259,345.82-145,243.20

Finding the Fourth Proportional to 173,291.48, 259,345.82 and 145,243.20

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Solution

The fourth proportional to 173,291.48, 259,345.82 and 145,243.20 is: 217,369.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,291.48 : 259,345.82 = 145,243.20 : x
  2. Step 2: Convert to fraction form
    173,291.48/259,345.82 = 145,243.20/x
  3. Step 3: Cross multiply
    173,291.48x = 259,345.82 × 145,243.20
  4. Step 4: Simplify right side
    173,291.48x = 37,668,216,803.42
  5. Step 5: Solve for x
    x = 37,668,216,803.42/173,291.48
  6. Step 6: Final answer
    x = 217,369.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.