Home / 305,326.32-458,031.06-105,593.10

Finding the Fourth Proportional to 305,326.32, 458,031.06 and 105,593.10

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Solution

The fourth proportional to 305,326.32, 458,031.06 and 105,593.10 is: 158,404.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,326.32 : 458,031.06 = 105,593.10 : x
  2. Step 2: Convert to fraction form
    305,326.32/458,031.06 = 105,593.10/x
  3. Step 3: Cross multiply
    305,326.32x = 458,031.06 × 105,593.10
  4. Step 4: Simplify right side
    305,326.32x = 48,364,919,521.69
  5. Step 5: Solve for x
    x = 48,364,919,521.69/305,326.32
  6. Step 6: Final answer
    x = 158,404.03

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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.