Home / 313,148.96-432,143.08-177,181.76

Finding the Fourth Proportional to 313,148.96, 432,143.08 and 177,181.76

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Solution

The fourth proportional to 313,148.96, 432,143.08 and 177,181.76 is: 244,509.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,148.96 : 432,143.08 = 177,181.76 : x
  2. Step 2: Convert to fraction form
    313,148.96/432,143.08 = 177,181.76/x
  3. Step 3: Cross multiply
    313,148.96x = 432,143.08 × 177,181.76
  4. Step 4: Simplify right side
    313,148.96x = 76,567,871,486.22
  5. Step 5: Solve for x
    x = 76,567,871,486.22/313,148.96
  6. Step 6: Final answer
    x = 244,509.42

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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.